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Cushion|Lab Grown|IGI

10.38ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG731570831

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG731570831

Diamond specifications and retailer prices

From €4,559 EUR
£4,011 GBP
As of November 1, 2026
Save €20,205 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €24,764 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 10.38ct lab-grown cushion diamond

This 10.38ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG731570831 or 731570831. Listed at 12 retailers as of October 31, 2026, with prices from €4,559 to €24,764, a €20,205 spread on the same certified stone. Adiamor lists it at €24,764. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.38
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731570831
Dimensions11.98 × 11.92 × 7.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.98 mm11.92 mm10.38 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731570831
Side View
Table 67.0%Crown 47.8°Girdle: STK-VTKPavilion 33.2°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,559 EUR|Low: €4,558 EUR|High: €12,909 EUR|Avg: €6,965 EUR|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 1€4,559 EUR
Retailer 10€4,932 EUR
Retailer 9€5,109 EUR
Retailer 8€5,133 EUR
Retailer 3€6,513 EUR
Retailer 2€7,230 EUR
Retailer 7€7,896 EUR
Retailer 5€7,908 EUR
Retailer 4€9,603 EUR
Retailer 6€9,714 EUR

43 data points across 10 retailers

12 retailers€4,559 EUR to €24,764 EUR

A
Cheapest Retailer
-
€4,559 EUR
£4,011 GBP
A
Retailer 2
-
€4,932 EUR
$5,510 USD
View
Final sale: no returns
Retailer 3
-
€5,109 EUR
$5,708 USD
View
Price last confirmed 19 days ago
A
Retailer 4
-
€5,133 EUR
$5,735 USD
View
B+
Retailer 5
-
€6,513 EUR
£5,729 GBP
View
B+
Retailer 6
-
€7,230 EUR
£6,360 GBP
View
B+
Retailer 7
-
€7,896 EUR
$8,822 USD
View
B+
Retailer 8
-
€7,908 EUR
ZAR 142,727 ZAR
View
B+
Retailer 9
-
€9,603 EUR
$10,728 USD
View
Retailer 10
-
€9,714 EUR
A$16,696 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
€18,327 EUR
$20,476 USD
View
Most Expensive
B
Adiamor
D-77473794 · Oct 31
€24,764 EUR
$27,667 USD
View
11 more retailers have this diamond
Prices start from €4,559 EURSave up to €20,205 EUR

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
10.38ct Cushion
€4,559 EUR