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Cushion|Lab Grown|IGI

6.54ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG815681057

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815681057

Diamond specifications and retailer prices

From HK$8,960 HKD
£899 GBP
As of October 27, 2026
Save HK$40,865 HKD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$49,825 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.54ct lab-grown cushion diamond

This 6.54ct 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 LG815681057 or 815681057. Listed at 17 retailers as of October 27, 2026, with prices from HK$8,960 to HK$49,825, a HK$40,865 spread on the same certified stone. Brilliant Earth lists it at HK$49,825. 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

6.54
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815681057
Dimensions12.64 × 9.44 × 6.29 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.64 mm9.44 mm6.54 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815681057
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 66.6%

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$49,825 HKD|Low: HK$8,050 HKD|High: HK$49,825 HKD|Avg: HK$22,708 HKD
Brilliant Earth
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
Retailer 17
Retailer 18
October 29, 2026
Retailer 9HK$8,050 HKD
Retailer 14HK$8,960 HKD
Retailer 11HK$9,541 HKD
Retailer 4HK$10,043 HKD
Retailer 8HK$11,573 HKD
Retailer 2HK$12,622 HKD
Retailer 15HK$12,768 HKD
Retailer 3HK$13,370 HKD
Retailer 18HK$16,987 HKD
Retailer 6HK$23,079 HKD
Retailer 5HK$25,226 HKD
Retailer 7HK$26,089 HKD
Retailer 13HK$27,702 HKD
Retailer 17HK$28,440 HKD
Retailer 10HK$38,654 HKD
Retailer 12HK$39,569 HKD
Retailer 16HK$45,980 HKD
Brilliant EarthHK$49,825 HKD

35 data points across 18 retailers

17 retailersHK$8,960 HKD to HK$49,825 HKD

A
Cheapest Retailer
-
HK$8,960 HKD
£899 GBP
A
Retailer 2
-
HK$9,541 HKD
View
A
Retailer 3
-
HK$10,043 HKD
$1,280 USD
View
A
Retailer 4
-
HK$11,573 HKD
$1,475 USD
View
A
Retailer 5
-
HK$12,622 HKD
€1,532 EUR
View
A
Retailer 6
-
HK$12,768 HKD
£1,281 GBP
View
B+
Retailer 7
-
HK$13,370 HKD
$1,704 USD
View
A
Retailer 8
-
HK$16,987 HKD
$2,165 USD
View
A
Retailer 9
-
HK$23,079 HKD
£2,316 GBP
View
A
Retailer 10
-
HK$25,226 HKD
$3,215 USD
View
B+
Retailer 11
-
HK$26,089 HKD
$3,325 USD
View
B+
Retailer 12
-
HK$27,702 HKD
SGD 4,771 SGD
View
B+
Retailer 13
-
HK$28,440 HKD
£2,854 GBP
View
Price last confirmed 8 days ago
B+
Retailer 14
-
HK$38,654 HKD
A$7,579 AUD
View
Price last confirmed 21 days ago
B
Retailer 15
-
HK$39,569 HKD
$5,043 USD
View
B
Retailer 16
-
HK$45,980 HKD
$5,860 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20541479A · Oct 29
HK$49,825 HKD
$6,350 USD
View
16 more retailers have this diamond
Prices start from HK$8,960 HKDSave up to HK$40,865 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
6.54ct Cushion
HK$8,960 HKD