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Cushion|Lab Grown|IGI

6.65ct H SI2 Cushion Lab Grown Diamond

ID • H/SI2 • IGI LG571309737

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG571309737

Diamond specifications and retailer prices

From €939 EUR
HK$8,200 HKD
As of October 31, 2026
Save €2,057 EUR (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €2,997 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 6.65ct lab-grown cushion diamond

This 6.65ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG571309737 or 571309737. Listed at 7 retailers as of October 29, 2026, with prices from €939 to €2,997, a €2,057 spread on the same certified stone. MOH London lists it at €2,997. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

6.65
Carat
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571309737
Dimensions12.48 × 10.30 × 6.95 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.48 mm10.30 mm6.65 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571309737
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
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 31
Current: €2,997 EUR|Low: €939 EUR|High: €7,403 EUR|Avg: €3,016 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5€939 EUR
Retailer 2€946 EUR
Retailer 4€1,203 EUR
Retailer 3€1,261 EUR
Retailer 7€1,286 EUR
Retailer 6€2,089 EUR
MOH London€2,997 EUR
Retailer 9€4,805 EUR
Retailer 10€6,507 EUR
Retailer 8€7,403 EUR

5 data points across 10 retailers

7 retailers€939 EUR to €2,997 EUR

A
Cheapest Retailer
-
€939 EUR
HK$8,200 HKD
A
Retailer 2
-
€946 EUR
£832 GBP
View
B+
Retailer 3
-
€1,203 EUR
$1,344 USD
View
B+
Retailer 4
-
€1,261 EUR
View
B+
Retailer 5
-
€1,286 EUR
$1,437 USD
View
B+
Retailer 6
-
€2,089 EUR
$2,334 USD
View
Most Expensive
B
MOH London
LG571309737 · Oct 29
€2,997 EUR
£2,636 GBP
View
6 more retailers have this diamond
Prices start from €939 EURSave up to €2,057 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
6.65ct Cushion
€939 EUR