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Cushion|Lab Grown|IGI

15.65ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG627413256

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG627413256

Diamond specifications and retailer prices

From HK$30,771 HKD
£3,088 GBP
As of November 1, 2026
Save HK$110,381 HKD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$141,151 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.65ct lab-grown cushion diamond

This 15.65ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627413256 or 627413256. Listed at 14 retailers as of October 31, 2026, with prices from HK$30,771 to HK$141,151, a HK$110,381 spread on the same certified stone. Brilliant Earth lists it at HK$141,151. 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

15.65
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627413256
Dimensions14.80 × 14.01 × 8.74 mm
L/W Ratio1.06
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
14.80 mm14.01 mm15.65 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627413256
Side View
Table 62.0%Crown 39.7°Girdle: MED-THKPavilion 31.2°Culet: NoneDepth 62.4%

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: HK$141,151 HKD|Low: HK$30,759 HKD|High: HK$150,881 HKD|Avg: HK$70,099 HKD|-3.0%
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
November 1, 2026
Retailer 7HK$30,771 HKD
Retailer 3HK$36,987 HKD
Retailer 14HK$38,313 HKD
Retailer 5HK$40,462 HKD
Retailer 9HK$44,644 HKD
Retailer 12HK$45,986 HKD
Retailer 10HK$59,299 HKD
Retailer 13HK$59,309 HKD
Retailer 8HK$62,027 HKD
Retailer 2HK$72,241 HKD
Retailer 11HK$93,274 HKD
Retailer 4HK$106,433 HKD
Retailer 6HK$136,335 HKD
Brilliant EarthHK$141,151 HKD

36 data points across 14 retailers

14 retailersHK$30,771 HKD to HK$141,151 HKD

A
Cheapest Retailer
-
HK$30,771 HKD
£3,088 GBP
A
Retailer 2
-
HK$36,987 HKD
$4,714 USD
View
Final sale: no returns
Retailer 3
-
HK$38,313 HKD
$4,883 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
HK$40,462 HKD
$5,157 USD
View
A
Retailer 5
-
HK$44,644 HKD
$5,690 USD
View
A
Retailer 6
-
HK$45,986 HKD
$5,861 USD
View
A
Retailer 7
-
HK$59,299 HKD
ZAR 122,097 ZAR
View
B+
Retailer 8
-
HK$59,309 HKD
$7,559 USD
View
A
Retailer 9
-
HK$62,027 HKD
€7,529 EUR
View
B+
Retailer 10
-
HK$72,241 HKD
A$14,165 AUD
View
B+
Retailer 11
-
HK$93,274 HKD
$11,888 USD
View
B
Retailer 12
-
HK$106,433 HKD
$13,565 USD
View
B
Retailer 13
-
HK$136,335 HKD
$17,376 USD
View
Most Expensive
B
Brilliant Earth
20602619A · Oct 31
HK$141,151 HKD
$17,990 USD
View
13 more retailers have this diamond
Prices start from HK$30,771 HKDSave up to HK$110,381 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
15.65ct Cushion
HK$30,771 HKD