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Cushion|Lab Grown|IGI

12.36ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG729591057

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729591057

Diamond specifications and retailer prices

From HK$25,735 HKD
$3,280 USD
As of November 2, 2026
Save HK$131,736 HKD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$157,471 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.36ct lab-grown cushion diamond

This 12.36ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG729591057 or 729591057. Listed at 14 retailers as of November 2, 2026, with prices from HK$25,735 to HK$157,471, a HK$131,736 spread on the same certified stone. Brilliant Earth lists it at HK$157,471. 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

12.36
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729591057
Dimensions13.38 × 12.46 × 7.99 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.38 mm12.46 mm12.36 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729591057
Side View
Table 63.0%Crown 34.2°Girdle: THK-VTKPavilion 30.2°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$157,471 HKD|Low: HK$25,720 HKD|High: HK$162,414 HKD|Avg: HK$54,076 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
November 2, 2026
Retailer 9HK$25,720 HKD
Retailer 8HK$25,735 HKD
Retailer 12HK$29,211 HKD
Retailer 5HK$34,464 HKD
Retailer 7HK$39,820 HKD
Retailer 11HK$40,007 HKD
Retailer 3HK$44,362 HKD
Retailer 2HK$45,146 HKD
Retailer 6HK$47,659 HKD
Retailer 10HK$64,613 HKD
Retailer 4HK$71,604 HKD
Brilliant EarthHK$157,471 HKD

36 data points across 12 retailers

14 retailersHK$25,735 HKD to HK$157,471 HKD

Retailer 1
-
HK$25,720 HKD
$3,278 USD
Price last confirmed 21 days ago
A
Retailer 2
-
HK$25,735 HKD
$3,280 USD
View
A
Retailer 3
-
HK$29,211 HKD
$3,723 USD
View
A
Retailer 4
-
HK$34,464 HKD
£3,459 GBP
View
A
Retailer 5
-
HK$39,820 HKD
ZAR 81,990 ZAR
View
A
Retailer 6
-
HK$40,007 HKD
$5,099 USD
View
B+
Retailer 7
-
HK$44,362 HKD
£4,452 GBP
View
B+
Retailer 8
-
HK$45,146 HKD
€5,480 EUR
View
B+
Retailer 9
-
HK$47,659 HKD
A$9,345 AUD
View
Retailer 10
-
HK$50,450 HKD
$6,430 USD
View
B+
Retailer 11
-
HK$64,613 HKD
$8,235 USD
View
B
Retailer 12
-
HK$71,604 HKD
$9,126 USD
View
B
Retailer 13
-
HK$89,633 HKD
$11,424 USD
View
Most Expensive
B
Brilliant Earth
16273365A · Nov 2
HK$157,471 HKD
$20,070 USD
View
13 more retailers have this diamond
Prices start from HK$25,735 HKDSave up to HK$131,736 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
12.36ct Cushion
HK$25,735 HKD