CaratHunter
Plans
Cushion|Lab Grown|IGI

3.57ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG668449966

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG668449966

Diamond specifications and retailer prices

From HK$6,630 HKD
$845 USD
As of October 31, 2026
Save HK$23,184 HKD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$29,814 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.57ct lab-grown cushion diamond

This 3.57ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG668449966 or 668449966. Listed at 12 retailers as of October 29, 2026, with prices from HK$6,630 to HK$29,814, a HK$23,184 spread on the same certified stone. Brilliant Earth lists it at HK$29,814. 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

3.57
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668449966
Dimensions9.02 × 8.85 × 5.85 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.02 mm8.85 mm3.57 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668449966
Side View
Table 61.0%Crown 35.7°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 66.1%

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$29,814 HKD|Low: HK$5,963 HKD|High: HK$37,738 HKD|Avg: HK$14,465 HKD|-13.4%
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
October 31, 2026
Retailer 7HK$6,630 HKD
Retailer 10HK$7,333 HKD
Retailer 2HK$7,645 HKD
Retailer 12HK$8,489 HKD
Retailer 4HK$8,591 HKD
Retailer 6HK$8,711 HKD
Retailer 13HK$12,326 HKD
Retailer 5HK$13,272 HKD
Retailer 11HK$17,959 HKD
Retailer 3HK$18,069 HKD
Retailer 9HK$23,459 HKD
Retailer 8HK$24,342 HKD
Brilliant EarthHK$29,814 HKD

38 data points across 13 retailers

12 retailersHK$6,630 HKD to HK$29,814 HKD

A
Cheapest Retailer
-
HK$6,630 HKD
$845 USD
Retailer 2
-
HK$7,333 HKD
£736 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$7,645 HKD
€928 EUR
View
A
Retailer 4
-
HK$8,489 HKD
$1,082 USD
View
A
Retailer 5
-
HK$8,591 HKD
$1,095 USD
View
A
Retailer 6
-
HK$8,711 HKD
£874 GBP
View
A
Retailer 7
-
HK$12,326 HKD
$1,571 USD
View
B+
Retailer 8
-
HK$17,959 HKD
$2,289 USD
View
Retailer 9
-
HK$18,069 HKD
$2,303 USD
View
Price last confirmed 13 days ago
Retailer 10
-
HK$23,459 HKD
$2,990 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
HK$24,342 HKD
£2,443 GBP
View
Most Expensive
B
Brilliant Earth
12459925A · Oct 29
HK$29,814 HKD
$3,800 USD
View
11 more retailers have this diamond
Prices start from HK$6,630 HKDSave up to HK$23,184 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
3.57ct Cushion
HK$6,630 HKD