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# Ralph Jacobs

## Sitemaps
[XML Sitemap](https://ralphjacobs.blog/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [How to care for white gold jewellery: rhodium plating, cleaning and professional service](https://ralphjacobs.blog/jewellery-care/how-to-care-for-white-gold-jewellery-rhodium-plating-cleaning-and-professional-service/): A clear, trustworthy guide to white gold care — what rhodium plating is, why it wears, how to clean safely at home, when to consider professional re‑plating, and how to store your pieces to preserve their beauty and value.
- [Why white gold needs care: A practical aftercare guide from Ralph Jacobs](https://ralphjacobs.blog/jewellery-care-education/why-white-gold-needs-care-aftercare-guide-ralph-jacobs/): White gold is beautiful and enduring, but it does need considered aftercare. Here’s why maintenance matters, how to look after your pieces at home, when rhodium re‑plating is sensible, and the professional services Ralph Jacobs offers to keep your jewellery pristine.
- [Lab-grown vs Natural Diamonds: What the Colour Grades Really Mean (South African guide)](https://ralphjacobs.blog/education-product-guide/lab-grown-vs-natural-diamond-colour-south-africa/): A clear South African guide to diamond colour. Learn how lab-grown and natural diamonds are graded for colour, what treatments and fluorescence mean, and how to buy with confidence.
- [Why is my white gold ring losing its colour? What to know, how to fix it, and smarter buying choices](https://ralphjacobs.blog/jewellery-care-education/why-is-my-white-gold-ring-losing-its-colour/): Seeing a warm yellow tint on a once-bright white gold ring is normal. Here’s why it happens, how rhodium plating works, how long it lasts, what care actually helps, and when to consider replating or choosing platinum—explained with South African context.

## Pages
- [Sample Page](https://ralphjacobs.blog/sample-page/): This is an example page. It's different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this:

## Birthstones
- [December](https://ralphjacobs.blog/birthstones/december/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for December.
- [November](https://ralphjacobs.blog/birthstones/november/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for November.
- [October](https://ralphjacobs.blog/birthstones/october/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for October.
- [September](https://ralphjacobs.blog/birthstones/september/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for September.
- [August](https://ralphjacobs.blog/birthstones/august/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for August.
- [July](https://ralphjacobs.blog/birthstones/july/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for July.
- [June](https://ralphjacobs.blog/birthstones/june/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for June.
- [May](https://ralphjacobs.blog/birthstones/may/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for May.
- [April](https://ralphjacobs.blog/birthstones/april/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for April.
- [March](https://ralphjacobs.blog/birthstones/march/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for March.
- [February](https://ralphjacobs.blog/birthstones/february/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for February.
- [January](https://ralphjacobs.blog/birthstones/january/): Add the birthstone educational content, linked gemstones, related metals, and blog posts for January.

## Care Guides
- [Pearl Care Guide](https://ralphjacobs.blog/care-guides/pearl-care-guide/): Gentle care guidance for pearl jewellery and strands.
- [Opal Care Guide](https://ralphjacobs.blog/care-guides/opal-care-guide/): Protective care guidance for opal jewellery.
- [Emerald Care Guide](https://ralphjacobs.blog/care-guides/emerald-care-guide/): Gentle care guidance for emerald jewellery.
- [Platinum Jewellery Care Guide](https://ralphjacobs.blog/care-guides/platinum-jewellery-care-guide/): Cleaning and maintenance guidance for platinum jewellery.
- [Gold Jewellery Care Guide](https://ralphjacobs.blog/care-guides/gold-jewellery-care-guide/): Cleaning and maintenance guidance for yellow, white, and rose gold jewellery.
- [Diamond Care Guide](https://ralphjacobs.blog/care-guides/diamond-care-guide/): How to clean, store, inspect, and safely wear diamond jewellery.

## FAQs
- [What Is the Birthstone for June?](https://ralphjacobs.blog/faqs/what-is-the-birthstone-for-june/): Explains the multiple birthstone options associated with June.
- [Is Platinum Better Than White Gold?](https://ralphjacobs.blog/faqs/is-platinum-better-than-white-gold/): Helps clients compare platinum and white gold without oversimplifying the decision.
- [What Is the Difference Between 9ct, 14ct, and 18ct Gold?](https://ralphjacobs.blog/faqs/difference-between-9ct-14ct-and-18ct-gold/): Explains common gold karat options in a practical customer-friendly way.
- [How Often Should I Clean My Engagement Ring?](https://ralphjacobs.blog/faqs/how-often-should-i-clean-my-engagement-ring/): A practical answer about home cleaning frequency and professional maintenance.
- [Is Moissanite a Diamond?](https://ralphjacobs.blog/faqs/is-moissanite-a-diamond/): Clarifies the difference between moissanite and diamond in simple terms.
- [What Is the Difference Between Natural Diamond and Lab Grown Diamond?](https://ralphjacobs.blog/faqs/difference-between-natural-diamond-and-lab-grown-diamond/): A straightforward comparison of origin, value context, and what stays the same.
- [Does Alexandrite Change Colour?](https://ralphjacobs.blog/faqs/does-alexandrite-change-colour/): Explains alexandrite’s famous colour-change effect in simple language.
- [Is Alexandrite Good for an Engagement Ring?](https://ralphjacobs.blog/faqs/is-alexandrite-good-for-an-engagement-ring/): A practical answer covering durability, rarity, and design considerations for alexandrite engagement rings.

## Gemstones
- [Zircon](https://ralphjacobs.blog/gemstones/zircon/): Zircon is a natural gemstone with high brilliance and dispersion that should not be confused with cubic zirconia.
- [Turquoise](https://ralphjacobs.blog/gemstones/turquoise/): Turquoise is an opaque blue-to-green gem material prized for colour, matrix patterns, and historic jewellery use.
- [Tourmaline](https://ralphjacobs.blog/gemstones/tourmaline/): Tourmaline is one of the trade's most varied coloured gemstone families, offering a broad palette from pastel to electric hues.
- [Topaz](https://ralphjacobs.blog/gemstones/topaz/): Topaz is a versatile gemstone category available in multiple colours, from icy blue to imperial orange and pink tones.
- [Tsavorite](https://ralphjacobs.blog/gemstones/tsavorite/): Tsavorite is a vibrant green grossular garnet prized for lively colour, brightness, and generally untreated presentation.
- [Tanzanite](https://ralphjacobs.blog/gemstones/tanzanite/): Tanzanite is prized for rich blue-violet colour and a modern single-origin story tied to Tanzania.
- [Sunstone](https://ralphjacobs.blog/gemstones/sunstone/): Sunstone is appreciated for warm body colour and sparkling aventurescence produced by reflective inclusions.
- [Spinel](https://ralphjacobs.blog/gemstones/spinel/): Spinel combines attractive colour, good hardness, and impressive brilliance, making it increasingly popular in both custom and collector jewellery.
- [Sapphire](https://ralphjacobs.blog/gemstones/sapphire/): Sapphire is a broad corundum category celebrated for blue stones as well as a wide range of fancy colours.
- [Ruby](https://ralphjacobs.blog/gemstones/ruby/): Ruby is the red variety of corundum and remains one of the most iconic coloured gemstones in fine jewellery.
- [Rose Quartz](https://ralphjacobs.blog/gemstones/rose-quartz/): Rose quartz offers soft pink colour in a familiar quartz family, making it approachable for educational and gift-focused jewellery content.
- [Peridot](https://ralphjacobs.blog/gemstones/peridot/): Peridot is an olivine gemstone known for fresh green colour and a distinctive bright, lively look.
- [Pearl](https://ralphjacobs.blog/gemstones/pearl/): Pearl is valued for lustre, surface quality, shape, and origin rather than faceting or high hardness.
- [Opal](https://ralphjacobs.blog/gemstones/opal/): Opal is celebrated for play-of-colour and for the wide variety of looks available across white, black, crystal, and boulder material.
- [Morganite](https://ralphjacobs.blog/gemstones/morganite/): Morganite is the pink-to-peach member of the beryl family and is often chosen for soft romantic colour in bridal and dress jewellery.
- [Moonstone](https://ralphjacobs.blog/gemstones/moonstone/): Moonstone is loved for soft glow and adularescence, giving it a gentle, luminous presence in jewellery.
- [Lapis Lazuli](https://ralphjacobs.blog/gemstones/lapis-lazuli/): Lapis lazuli is an opaque blue ornamental material recognised instantly for rich colour and historical prestige.
- [Kunzite](https://ralphjacobs.blog/gemstones/kunzite/): Kunzite is a pastel pink-to-lilac spodumene loved for delicate colour and large elegant crystals.
- [Jade](https://ralphjacobs.blog/gemstones/jade/): Jade is a historic jewellery and carving material valued for texture, toughness, and cultural meaning as much as for colour.
- [Iolite](https://ralphjacobs.blog/gemstones/iolite/): Iolite is valued for its inky blue-to-violet body colour and strong pleochroism, which makes orientation important in cutting.
- [Garnet](https://ralphjacobs.blog/gemstones/garnet/): Garnet is a gemstone family rather than a single look, covering classic red stones as well as vivid green, orange, and other trade varieties.
- [Emerald](https://ralphjacobs.blog/gemstones/emerald/): Emerald is the green variety of beryl and is prized for saturated colour, rarity in fine quality, and unmistakable visual identity.
- [Citrine](https://ralphjacobs.blog/gemstones/citrine/): Citrine is the yellow-to-golden variety of quartz and offers bright colour in a practical, approachable gemstone category.
- [Aquamarine](https://ralphjacobs.blog/gemstones/aquamarine/): Aquamarine is a blue beryl prized for calm colour, clarity, and elegant large-face-up looks.
- [Ametrine](https://ralphjacobs.blog/gemstones/ametrine/): Ametrine combines amethyst and citrine colour zoning in one quartz crystal, giving it a distinctive two-tone personality.
- [Amethyst](https://ralphjacobs.blog/gemstones/amethyst/): Amethyst is the purple variety of quartz and remains one of the most recognisable coloured gems in the jewellery trade.
- [Amber](https://ralphjacobs.blog/gemstones/amber/): Amber is an organic gem material appreciated for warm colour, light weight, and the occasional presence of fascinating inclusions.
- [Fancy Coloured Synthetic Moissanite](https://ralphjacobs.blog/gemstones/fancy-coloured-synthetic-moissanite/): Fancy coloured synthetic moissanite expands the moissanite category into stronger fashion colour stories while retaining lively brilliance and strong wearability.
- [Fancy Coloured Diamonds](https://ralphjacobs.blog/gemstones/fancy-coloured-diamonds/): Fancy coloured diamonds are valued for natural body colour as much as for brilliance, making colour origin and saturation central to the story.
- [Synthetic Moissanite](https://ralphjacobs.blog/gemstones/synthetic-moissanite/): Synthetic moissanite is a popular laboratory-grown jewellery stone known for high brilliance, notable fire, and strong everyday-wear performance.
- [Natural Moissanite](https://ralphjacobs.blog/gemstones/natural-moissanite/): Natural moissanite is an exceptionally rare silicon carbide material known more for its scientific interest than for mainstream jewellery supply.
- [Lab Grown Diamond](https://ralphjacobs.blog/gemstones/lab-grown-diamond/): Lab grown diamond offers the same core material identity as diamond while giving buyers an alternative route to size, budget, and production-story preferences.
- [Natural Diamond](https://ralphjacobs.blog/gemstones/natural-diamond/): Natural diamond is valued for exceptional hardness, brilliance, and long-standing significance in bridal jewellery.
- [Alexandrite](https://ralphjacobs.blog/gemstones/alexandrite/): Alexandrite is prized for a dramatic colour-change effect that makes one gem appear greenish in daylight and reddish under warmer light.

## Metals
- [Cobalt Chrome](https://ralphjacobs.blog/metals/cobalt-chrome/): A bright alternative metal with a crisp white tone and strong band-focused appeal.
- [Tungsten](https://ralphjacobs.blog/metals/tungsten/): A hard-wearing alternative metal best known for durable contemporary wedding bands.
- [Titanium](https://ralphjacobs.blog/metals/titanium/): A lightweight alternative metal prized for comfort and contemporary styling.
- [Silver](https://ralphjacobs.blog/metals/silver/): A bright approachable jewellery metal, especially popular in sterling silver form.
- [Palladium](https://ralphjacobs.blog/metals/palladium/): A light naturally white precious metal that sits within the platinum-group family.
- [Platinum](https://ralphjacobs.blog/metals/platinum/): A premium naturally white metal known for density, security, and enduring bridal appeal.
- [Gold](https://ralphjacobs.blog/metals/gold/): A classic precious metal with strong bridal appeal and wide choice across karat and colour options.

## Ring Size Guides
- [Ring Size Conversion Guide](https://ralphjacobs.blog/ring-sizes/ring-size-conversion-guide/): An interactive international ring size conversion guide with country-based filtering and a customer-friendly search experience.