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Cushion|Lab Grown|IGI

1.03ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG668436107

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG668436107

Diamond specifications and retailer prices

From £137 GBP
$183 USD
As of October 30, 2026
Save £670 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £806 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG668436107 or 668436107. Listed at 18 retailers as of October 30, 2026, with prices from £137 to £806, a £670 spread on the same certified stone. Reve Diamonds lists it at £806. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668436107
Dimensions5.28 × 5.28 × 3.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.28 mm5.28 mm1.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668436107
Side View
Table 57.0%Crown 32.6°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £267 GBP|Low: £137 GBP|High: £834 GBP|Avg: £378 GBP|-4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
October 31, 2026
Retailer 5£137 GBP
Retailer 2£152 GBP
Retailer 16£204 GBP
Retailer 7£205 GBP
Retailer 15£260 GBP
Retailer 9£261 GBP
Retailer 12£261 GBP
Retailer 1£267 GBP
Retailer 11£289 GBP
Retailer 13£371 GBP
Retailer 4£389 GBP
Retailer 14£397 GBP
Retailer 6£416 GBP
Retailer 3£515 GBP
Retailer 8£530 GBP
Retailer 10£716 GBP
Reve Diamonds£806 GBP

42 data points across 17 retailers

18 retailers£137 GBP to £806 GBP

A
Cheapest Retailer
-
£137 GBP
$183 USD
Final sale: no returns
A
Retailer 2
-
£152 GBP
$204 USD
View
Retailer 3
-
£204 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
£205 GBP
$275 USD
View
A
Retailer 5
-
£260 GBP
$348 USD
View
A
Retailer 6
-
£261 GBP
€333 EUR
View
A
Retailer 7
-
£261 GBP
ZAR 5,658 ZAR
View
A
Retailer 8
-
£267 GBP
View
A
Retailer 9
-
£289 GBP
View
B+
Retailer 10
-
£371 GBP
A$765 AUD
View
B+
Retailer 11
-
£389 GBP
$521 USD
View
B+
Retailer 12
-
£397 GBP
$532 USD
View
B+
Retailer 13
-
£416 GBP
SGD 753 SGD
View
Retailer 14
-
£426 GBP
$570 USD
View
Price last confirmed 61 days ago
Retailer 15
-
£515 GBP
$690 USD
View
Price last confirmed 15 days ago
B
Retailer 16
-
£530 GBP
$711 USD
View
B
Retailer 17
-
£716 GBP
View
Most Expensive
B
Reve Diamonds
B337D34BD · Oct 30
£806 GBP
$1,080 USD
View
17 more retailers have this diamond
Prices start from £137 GBPSave up to £670 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Cushion
£137 GBP