Cushion|Lab Grown|IGI

12.72ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG605389037

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG605389037

Diamond specifications and retailer prices

From HK$28,809 HKD
$3,672 USD
As of November 1, 2026
Save HK$77,892 HKD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$106,702 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.72ct lab-grown cushion diamond

This 12.72ct 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 LG605389037 or 605389037. Listed at 14 retailers as of October 31, 2026, with prices from HK$28,809 to HK$106,702, a HK$77,892 spread on the same certified stone. Brilliant Earth lists it at HK$106,702. 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

12.72
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605389037
Dimensions13.49 × 12.81 × 7.99 mm
L/W Ratio1.05
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
13.49 mm12.81 mm12.72 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605389037
Side View
Table 64.0%Crown 34°Girdle: STK-VTKPavilion 30.5°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$106,702 HKD|Low: HK$28,809 HKD|High: HK$139,261 HKD|Avg: HK$53,445 HKD|-23.4%
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
November 1, 2026
Retailer 3HK$28,809 HKD
Retailer 12HK$29,845 HKD
Retailer 13HK$32,599 HKD
Retailer 10HK$37,636 HKD
Retailer 9HK$37,659 HKD
Retailer 4HK$45,556 HKD
Retailer 7HK$46,188 HKD
Retailer 11HK$46,321 HKD
Retailer 6HK$47,616 HKD
Retailer 2HK$55,546 HKD
Retailer 8HK$62,891 HKD
Retailer 5HK$82,790 HKD
Brilliant EarthHK$106,702 HKD

34 data points across 13 retailers

14 retailersHK$28,809 HKD to HK$106,702 HKD

A
Cheapest Retailer
-
HK$28,809 HKD
$3,672 USD
Final sale: no returns
Retailer 2
-
HK$29,845 HKD
$3,804 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
HK$32,599 HKD
$4,155 USD
View
A
Retailer 4
-
HK$37,636 HKD
$4,797 USD
View
A
Retailer 5
-
HK$37,659 HKD
$4,800 USD
View
A
Retailer 6
-
HK$45,556 HKD
£4,572 GBP
View
A
Retailer 7
-
HK$46,188 HKD
ZAR 95,106 ZAR
View
A
Retailer 8
-
HK$46,321 HKD
$5,904 USD
View
A
Retailer 9
-
HK$47,616 HKD
€5,780 EUR
View
B+
Retailer 10
-
HK$55,546 HKD
A$10,892 AUD
View
B+
Retailer 11
-
HK$62,891 HKD
$8,016 USD
View
B
Retailer 12
-
HK$82,790 HKD
$10,552 USD
View
B
Retailer 13
-
HK$104,513 HKD
$13,321 USD
View
Most Expensive
B
Brilliant Earth
20602204A · Oct 31
HK$106,702 HKD
$13,600 USD
View
13 more retailers have this diamond
Prices start from HK$28,809 HKDSave up to HK$77,892 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
12.72ct Cushion
HK$28,809 HKD