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Cushion|Lab Grown|IGI

6.51ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG839647750

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839647750

Diamond specifications and retailer prices

From HK$8,011 HKD
$1,021 USD
As of October 27, 2026
Save HK$41,578 HKD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$49,589 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.51ct lab-grown cushion diamond

This 6.51ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839647750 or 839647750. Listed at 16 retailers as of October 27, 2026, with prices from HK$8,011 to HK$49,589, a HK$41,578 spread on the same certified stone. Brilliant Earth lists it at HK$49,589. 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

6.51
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647750
Dimensions12.63 × 9.57 × 6.30 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.63 mm9.57 mm6.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647750
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 33.6°Culet: NoneDepth 65.8%

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: Oct 27
Current: HK$12,572 HKD|Low: HK$8,011 HKD|High: HK$46,019 HKD|Avg: HK$23,045 HKD|-0.8%
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
October 29, 2026
Retailer 3HK$8,011 HKD
Retailer 12HK$8,920 HKD
Retailer 8HK$9,541 HKD
Retailer 11HK$10,004 HKD
Retailer 1HK$12,572 HKD
Retailer 13HK$12,710 HKD
Retailer 4HK$13,315 HKD
Retailer 2HK$22,959 HKD
Retailer 7HK$25,038 HKD
Retailer 15HK$25,979 HKD
Retailer 10HK$27,563 HKD
Retailer 14HK$28,201 HKD
Retailer 6HK$38,486 HKD
Retailer 9HK$39,389 HKD
Retailer 5HK$45,784 HKD

25 data points across 15 retailers

16 retailersHK$8,011 HKD to HK$49,589 HKD

A
Cheapest Retailer
-
HK$8,011 HKD
$1,021 USD
Final sale: no returns
A
Retailer 2
-
HK$8,920 HKD
£895 GBP
View
A
Retailer 3
-
HK$9,541 HKD
View
A
Retailer 4
-
HK$10,004 HKD
$1,275 USD
View
A
Retailer 5
-
HK$12,572 HKD
€1,526 EUR
View
A
Retailer 6
-
HK$12,710 HKD
£1,275 GBP
View
B+
Retailer 7
-
HK$13,315 HKD
$1,697 USD
View
A
Retailer 8
-
HK$22,959 HKD
£2,304 GBP
View
B+
Retailer 9
-
HK$25,038 HKD
$3,191 USD
View
B+
Retailer 10
-
HK$25,979 HKD
$3,311 USD
View
B+
Retailer 11
-
HK$27,563 HKD
SGD 4,747 SGD
View
B+
Retailer 12
-
HK$28,201 HKD
£2,830 GBP
View
Retailer 13
-
HK$38,486 HKD
A$7,546 AUD
View
Price last confirmed 21 days ago
B+
Retailer 14
-
HK$39,389 HKD
$5,020 USD
View
Retailer 15
-
HK$45,784 HKD
$5,835 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21808577A · Oct 29
HK$49,589 HKD
$6,320 USD
View
15 more retailers have this diamond
Prices start from HK$8,011 HKDSave up to HK$41,578 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
6.51ct Cushion
HK$8,011 HKD