10% PROFITS TO CHARITY • FREE WARRANTY • Our books are open for custom work over $2k!

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est. 2013

Midwinter Co.


a small business centered around relationships

creating one-of-a-kind engagement rings & unique fine jewelry


Shop Ready to Size & Ship
Start a Custom Piece

Uncommon diamonds & gems

Our stones are sourced and procured individually for their beauty, unique cuts, individual characteristics, and quality.

We only work directly with lapidaries and suppliers that source their rough uncut minerals through Kimberley Process Channels (The KP has ended 99.98% of confict diamonds and unethical mining!)

Unique diamond rings that are READY TO SHIP

We work to cultivate an eclectic selection of spectacular diamonds & gems in our classic and refreshingly modern ring settings. There is a lovely selection waiting to be sized to their size and shipped!

Build a ring...

1. Pick your unique stone from our stock of unique and hand picked diamonds and gemstones.

2. Choose your ring setting and add to your cart too!

3. We make the magic happen with just the stone & setting in your cart! No other costs/fees!

The freshest

Vanessa Ring with 0.41 Carat Rose Cut Clear Round Diamond and Natural Diamond Accents in 10k Rose Gold - Ready to Size and Ship

$3,700.00

Alice Ring with a 1.92 Carat Dark and Clear Marquise Celestial Diamond and White Accent Diamonds in 14k Rose Gold - Ready to Size and Ship

$7,250.00

Veragene Ring with a 0.93 Carat Round Black Celestial Diamond in 14k Yellow Gold - Ready to Size and Ship

$3,550.00

Sara Ring with a 3.28 Carat Clear Round Dendritic Quartz - Ready to Size and Ship

$2,050.00

Collins Ring with a 6.21 Carat Teal Pear Sapphire and White Accent Diamonds in 14k Rose Gold - Ready to Size and Ship

$16,850.00

Aster Ring with a 0.57 Carat Light Teal Round Montana Sapphire and White Accent Diamonds in 14k Yellow Gold - Ready to Size and Ship

$3,650.00

Astrid Ring with a 1.65 Carat Asscher Cut Teal Green Sapphire and White Accent Diamonds in 14k Rose Gold - Ready to Size and Ship

$3,450.00

Jasmine Ring with a 1.03 Carat Purple Pear Sapphire and Black Accent Diamonds in 14k Yellow Gold - Ready to Size and Ship

$2,350.00

Betty Ring with a 2.55 Carat Pear Magenta Pink Sapphire and White Accent Diamonds - Ready to Size and Ship

$4,250.00

Sara Ring with a 0.94 Carat Round Teal Green Sapphire in 14k Yellow Gold - Ready to Size and Ship

$1,850.00

Imogene Ring with a 3.33 Carat Purple Oval Sapphire and White Accent Diamonds in 14k Yellow Gold - Ready to Size and Ship

$3,750.00

Betty Ring with a 2.46 Carat Dark Teal Oval Sapphire and White Accent Diamonds in 14k Yellow Gold - Ready to Size and Ship

$4,550.00

Aster Ring with a 1.78 Carat Emerald Cut Blue Spinel and White Accent Diamonds in 14k Rose Gold - Ready to Size and Ship

$2,950.00

Odette Ring with a 5.15 Carat Color Change Green Purple Oval Sapphire and White Accent Diamonds in 14k Yellow Gold - Ready to Size and Ship

$9,550.00

Minnie Ring with a 1.14 Carat Green Oval Australian Sapphire and White Accent Diamonds in 14k Yellow Gold - Ready to Size and Ship

$5,450.00

Aster Ring with a 2.15 Carat Round Light Gray Celestial Diamond and White Accent Diamonds in 14k Rose Gold - Ready to Size and Ship

$5,250.00

Imani Ring with a 1.00 Carat Gray Celestial Round Diamond and White Accent Diamonds in 14k Rose Gold - Ready to Size and Ship

$4,250.00

Elodie Ring with a 0.89 Carat Dark Green Unique Cut Sapphire and White Accent Diamonds in 14k Yellow Gold - Ready to Size and Ship

$2,950.00

Logan Ring with a 1.35 Carat Clear Gray Sapphire and Clear White Rose Cut Accent Diamonds in 14k Yellow Gold - Ready to Size and Ship

$1,950.00

Imani Ring with a 1.05 Carat Round Misty White Diamond and White Accent Diamonds in 14k Yellow Gold - Ready to Size and Ship

$4,950.00

Kennedy Ring with a 2.12 Carat Oval Teal Sapphire and White Accent Diamonds in 14k Rose Gold - Ready to Size and Ship

$5,650.00

Shop Rings

Newest diamonds for custom work

1.22 Carat Round Champagne Gray Celestial Diamond for Custom Work - Inventory Code DSR122

$3,550.00

1.60 Carat Round Dark Gray Celestial Diamond for Custom Work - Inventory Code DSR160

$4,250.00

1.53 Carat Round Warm Gray Celestial Diamond for Custom Work - Inventory Code SGR153

$3,850.00

1.35 Carat Rose or Brilliant Cut Light Gray Emerald Cut Celestial Diamond for Custom Work - Inventory Code SGE135

$2,350.00

0.80 Carat Rose or Brilliant Cut Dark Gray Hexagon Celestial Diamond for Custom Work - Inventory Code DSH080

$2,250.00

1.35 Carat Deep Teal Kite Diamond for Custom Work - Inventory Code TKD135

$2,250.00

1.60 Carat Bright Gray Celestial Round Diamond for Custom Work - Inventory Code SGR160

$4,250.00

1.64 Carat Dark Charcoal Half Moon Diamond for Custom Work - Inventory Code DSHM164

$2,850.00

1.20 Carat Round Dark Gray Celestial Diamond for Custom Work - Inventory Code DSR120

$3,350.00

1.30 Carat Round Dark Gray Celestial Diamond for Custom Work - Inventory Code DSR130

$3,150.00

0.88 Carat Dark and Clear Emerald Cut Diamond for Custom Work - Inventory Code DCE088

$2,150.00

0.85 Carat Rose or Brilliant Cut Dark Gray Pear Celestial Diamond for Custom Work - Inventory Code DSP085

$2,150.00

3.40 Carat Rose or Brilliant Cut Clear Gray Heart Celestial Diamond for Custom Work - Inventory Code CCH340

$7,250.00

1.81 Carat Rose or Brilliant Cut Dark and Clear Marquise Celestial Diamond for Custom Work - Inventory Code DCM181

$2,750.00

0.99 Carat Rose or Brilliant Cut Clear Gray Pear Celestial Diamond for Custom Work - Inventory Code CCP099

$2,150.00

0.89 Carat Clear Half Moon Celestial Diamond for Custom Work - Inventory Code CCHM089

$3,350.00