CaratHunter
Plans
Cushion|Lab Grown|IGI

11.73ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG578328940

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG578328940

Diamond specifications and retailer prices

From HK$15,644 HKD
$1,994 USD
As of October 31, 2026
Save HK$57,870 HKD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$73,514 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 11.73ct lab-grown cushion diamond

This 11.73ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG578328940 or 578328940. Listed at 11 retailers as of October 29, 2026, with prices from HK$15,644 to HK$73,514, a HK$57,870 spread on the same certified stone. Brilliant Earth lists it at HK$73,514. 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

11.73
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578328940
Dimensions15.55 × 12.00 × 8.24 mm
L/W Ratio1.30
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
15.55 mm12.00 mm11.73 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578328940
Side View
Table 64.0%Crown 35.6°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 68.7%

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 31
Current: HK$73,514 HKD|Low: HK$11,180 HKD|High: HK$73,514 HKD|Avg: HK$33,580 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7HK$15,644 HKD
Retailer 5HK$16,209 HKD
Retailer 3HK$22,982 HKD
Retailer 6HK$24,989 HKD
Retailer 4HK$25,436 HKD
Retailer 2HK$25,571 HKD
Retailer 8HK$33,599 HKD
Retailer 9HK$49,411 HKD
Retailer 10HK$61,110 HKD
Brilliant EarthHK$73,514 HKD

40 data points across 10 retailers

11 retailersHK$15,644 HKD to HK$73,514 HKD

A
Cheapest Retailer
-
HK$15,644 HKD
$1,994 USD
Final sale: no returns
Retailer 2
-
HK$16,209 HKD
$2,066 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
HK$22,982 HKD
£2,307 GBP
View
A
Retailer 4
-
HK$24,989 HKD
$3,185 USD
View
B+
Retailer 5
-
HK$25,436 HKD
$3,242 USD
View
A
Retailer 6
-
HK$25,571 HKD
€3,104 EUR
View
A
Retailer 7
-
HK$33,599 HKD
£3,372 GBP
View
Retailer 8
-
HK$49,411 HKD
$6,298 USD
View
Price last confirmed 52 days ago
B+
Retailer 9
-
HK$56,816 HKD
$7,242 USD
View
B+
Retailer 10
-
HK$61,110 HKD
$7,789 USD
View
Most Expensive
B
Brilliant Earth
21584506A · Oct 29
HK$73,514 HKD
$9,370 USD
View
10 more retailers have this diamond
Prices start from HK$15,644 HKDSave up to HK$57,870 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
11.73ct Cushion
HK$15,644 HKD