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Cushion|Lab Grown|IGI

3.10ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG500150575

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG500150575

Diamond specifications and retailer prices

From HK$32,324 HKD
$4,120 USD
As of October 31, 2026
Save HK$44,838 HKD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$185,589 HKD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500150575 or 500150575. Listed at 10 retailers as of October 31, 2026, with a 139% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500150575
Dimensions8.33 × 8.05 × 5.11 mm
L/W Ratio1.03
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
8.33 mm8.05 mm3.10 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500150575
Side View
Table 63.0%Crown 37.6°Girdle: STK-VTKPavilion 32.1°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
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$185,589 HKD|Low: HK$32,324 HKD|High: HK$208,998 HKD|Avg: HK$114,525 HKD|-7.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 6HK$32,324 HKD
Retailer 12HK$73,742 HKD
Retailer 9HK$77,162 HKD
Retailer 7HK$79,924 HKD
Retailer 3HK$80,371 HKD
Retailer 8HK$92,462 HKD
Retailer 4HK$102,968 HKD
Retailer 10HK$114,547 HKD
Retailer 5HK$145,515 HKD
Retailer 2HK$184,798 HKD
Cape DiamondsHK$185,589 HKD
Retailer 11HK$208,998 HKD

19 data points across 12 retailers

10 retailersHK$32,324 HKD to HK$77,162 HKD

B
Cheapest Retailer
-
HK$32,324 HKD
$4,120 USD
B
Retailer 2
-
HK$73,742 HKD
$9,399 USD
View
B
Retailer 3
-
HK$77,162 HKD
$9,835 USD
View
Final sale: no returns
Retailer 4
-
HK$79,924 HKD
$10,187 USD
View
Price last confirmed 17 days ago
Retailer 5
-
HK$92,462 HKD
$11,785 USD
View
Price under review
Retailer 6
-
HK$114,547 HKD
£11,496 GBP
View
Price under review
Most Expensive
Cape Diamonds
cert_500150575 · Oct 29
HK$185,589 HKD
ZAR 382,146 ZAR
View
Price under review
6 more retailers have this diamond
Prices start from HK$32,324 HKDSave up to HK$44,838 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.

B
3.10ct Cushion
HK$32,324 HKD