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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 HK$8,235 HKD
As of October 31, 2026
Save HK$18,030 HKD (69%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$26,265 HKD 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 HK$8,235 to HK$26,265, a HK$18,030 spread on the same certified stone. MOH London lists it at HK$26,265. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$26,265 HKD|Low: HK$8,235 HKD|High: HK$64,890 HKD|Avg: HK$26,433 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5HK$8,235 HKD
Retailer 2HK$8,292 HKD
Retailer 4HK$10,545 HKD
Retailer 3HK$11,055 HKD
Retailer 7HK$11,274 HKD
Retailer 6HK$18,312 HKD
MOH LondonHK$26,265 HKD
Retailer 9HK$42,118 HKD
Retailer 10HK$57,038 HKD
Retailer 8HK$64,890 HKD

5 data points across 10 retailers

7 retailersHK$8,235 HKD to HK$26,265 HKD

A
Cheapest Retailer
-
HK$8,235 HKD
A
Retailer 2
-
HK$8,292 HKD
£832 GBP
View
B+
Retailer 3
-
HK$10,545 HKD
$1,344 USD
View
B+
Retailer 4
-
HK$11,055 HKD
€1,342 EUR
View
B+
Retailer 5
-
HK$11,274 HKD
$1,437 USD
View
B+
Retailer 6
-
HK$18,312 HKD
$2,334 USD
View
Most Expensive
B
MOH London
LG571309737 · Oct 29
HK$26,265 HKD
£2,636 GBP
View
6 more retailers have this diamond
Prices start from HK$8,235 HKDSave up to HK$18,030 HKD

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
HK$8,235 HKD