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Cushion|Lab Grown|IGI

3.55ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG662455349

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG662455349

Diamond specifications and retailer prices

From HK$6,590 HKD
$840 USD
As of October 31, 2026
Save HK$23,066 HKD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$29,657 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.55ct lab-grown cushion diamond

This 3.55ct 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 LG662455349 or 662455349. Listed at 14 retailers as of October 29, 2026, with prices from HK$6,590 to HK$29,657, a HK$23,066 spread on the same certified stone. Brilliant Earth lists it at HK$29,657. 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

3.55
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662455349
Dimensions8.82 × 8.80 × 5.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.82 mm8.80 mm3.55 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662455349
Side View
Table 61.0%Crown 37°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 66.8%

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$29,657 HKD|Low: HK$4,856 HKD|High: HK$37,502 HKD|Avg: HK$13,758 HKD|-13.9%
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
October 31, 2026
Retailer 13HK$5,547 HKD
Retailer 8HK$6,590 HKD
Retailer 12HK$7,294 HKD
Retailer 2HK$7,595 HKD
Retailer 3HK$8,450 HKD
Retailer 6HK$8,536 HKD
Retailer 7HK$8,663 HKD
Retailer 4HK$12,192 HKD
Retailer 9HK$16,142 HKD
Retailer 14HK$17,865 HKD
Retailer 5HK$17,977 HKD
Retailer 10HK$23,341 HKD
Retailer 11HK$24,213 HKD
Brilliant EarthHK$29,657 HKD

39 data points across 14 retailers

14 retailersHK$6,590 HKD to HK$29,657 HKD

Retailer 1
-
HK$5,547 HKD
$707 USD
Price last confirmed 20 days ago
A
Retailer 2
-
HK$6,590 HKD
$840 USD
View
Retailer 3
-
HK$7,294 HKD
£732 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
HK$7,595 HKD
€922 EUR
View
A
Retailer 5
-
HK$8,450 HKD
$1,077 USD
View
A
Retailer 6
-
HK$8,536 HKD
$1,088 USD
View
A
Retailer 7
-
HK$8,663 HKD
£869 GBP
View
A
Retailer 8
-
HK$12,192 HKD
$1,554 USD
View
B+
Retailer 9
-
HK$16,142 HKD
£1,620 GBP
View
B+
Retailer 10
-
HK$17,865 HKD
$2,277 USD
View
Retailer 11
-
HK$17,977 HKD
$2,291 USD
View
Price last confirmed 13 days ago
Retailer 12
-
HK$23,341 HKD
$2,975 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
HK$24,213 HKD
£2,430 GBP
View
Most Expensive
B
Brilliant Earth
12124362A · Oct 29
HK$29,657 HKD
$3,780 USD
View
13 more retailers have this diamond
Prices start from HK$6,590 HKDSave up to HK$23,066 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
3.55ct Cushion
HK$6,590 HKD