The Limited

Cool Mint Green Grossular Garnet and diamond ring in 18ct white gold

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Product Details

Merelani Mint Grossular Garnet, the magnificent centre stone in this ring, comes from only one region, the Merelani Hills in Tanzania. This gemstone is a cousin to the fairly newly discovered green gemstone, Tsavorite, found in the same region The material tends to come to the market in small spurts as pockets of the stone are discovered; we have experienced this and been frustrated in not being able to source the quality, colour and cut of the Merelani Mint Green Garnet that we were specifically sourcing for a client. The deep, vivid green colours in Tsavorite are caused by the same colouring agents as emerald: chromium, vanadium, and manganese. The lighter colour material, Merelani Mint Grossular Garnet contains lower concentrations of these with virtually no iron, resulting in the lighter fresher minty colour. Unlike many other gemstones, grossular garnets are not treated in order to increase their beauty or durability. The hardness (6.5-7 on the Mohs Scale) and lack of cleavage allow the gem to be polished to a very high lustre, resulting in crisp, bright stones. The challenging task is to be able to find clean gleaming gemstones of good colour saturation; stones above 1-2 carats in weight are rare.

This lively refreshing cushion cut Mint Green Grossular Garnet is enhanced by a halo of small white diamonds – elegant and effortlessly uncomplicated in design for someone with excellent understated taste to wear on their finger.



Bespoke unique ring handmade in London by Michael Platt

Created In18ct white gold

GemstoneGreen Grossular Garnet - 1.93ct

DiamondsRound brilliant cut diamonds - .24ct G SI

Finger SizeM

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Words from Our Customers

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I have had several pieces designed by the lovely staff at Michael Platt in Wimbledon. The pieces have been much admired. My first visit was several years ago so when I wanted something designed and made with stones from other pieces of jewellery which were very sentimental I had absolutely no hesitation about bringing the project to the shop in Wimbledon. The staff are so helpful, warm, welcoming and informative. Great service and a delight to do business with. I have never been disappointed.

Frieda Houghton
New York

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Brilliant personal service every step of the way. I wanted a diamond engagement ring and was able to easily discuss different stones and design options with Grace sending sketches back and forth. I decided on an emerald cut stone with a platinum ring. Communication was excellent and the ring delivered on time and discreetly to an agreed address. I proposed by Lake Windermere having hidden the ring in the sandwich tin. A beautiful ring - my partner loves it!

Alex Boyce

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I cannot recommend Michael Platt more highly to anyone looking for an engagement ring. I walked in knowing nothing about what was involved and was expertly guided through the design process by Jordan over a series of 4 visits. At no point did I feel pressurised to make a decision or spend more than felt comfortable and Jordan has created the most stunning ring that my fiancé is delighted with.

George Lenon
East London

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My wife and I purchased a lovely bespoke entwined engagement & wedding ring from Michael Platt, 28 years ago. We visited in February this year to enquire about an eternity ring. Jordan was inspirational and used diamonds from a family heirloom. The design full complemented and sits beautifully with the original rings. It was a very pleasurable experience and we are both delighted with the result. Fantastic to know they are still offering great service and bespoke design.

Robert Vose

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I have had two stunning pieces of jewellery made by Michael Platt. One is a beautifully intricate diamond pendant and the other a spectacular dress ring reusing my own stones that have a lot of sentimental value. I am thrilled with both pieces. Wayne listened carefully to all my (very detailed!) requirements and followed them to the letter. This is a highly skilled team with amazing attention to detail and wonderful service. I am an absolutely delighted customer!

Walter Family

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Our Bespoke Process

Steps to commissioning a bespoke piece of jewellery with Michael Platt


Consultation & Design Brief


Source, Selection & Viewing


Final Approval, Cost & Timeline


Producing your Jewellery


Final Visit & Collection


Find the right Gemstone for you

Michael Platt will guide customers through the maze of information on diamonds; giving an understanding of the four C’s: Cut, Carat, Clarity and Colour. With a little background information, effective decisions can be made to realise dream diamond jewellery for the budget set.

Gemstone Guide