CaratHunter
Plans
Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG836630171

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG836630171

Diamond specifications and retailer prices

From HK$4,441 HKD
$566 USD
As of October 31, 2026
Save HK$16,075 HKD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$29,186 HKD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836630171 or 836630171. Listed at 16 retailers as of October 31, 2026, with a 362% 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
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836630171
Dimensions8.28 × 8.14 × 5.56 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.28 mm8.14 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836630171
Side View
Table 66.0%Crown 36.4°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 68.3%

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$20,516 HKD|Low: HK$4,441 HKD|High: HK$20,765 HKD|Avg: HK$11,329 HKD|-1.0%
Retailer 1
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
Retailer 15
November 1, 2026
Retailer 15HK$4,441 HKD
Retailer 13HK$5,423 HKD
Retailer 11HK$5,924 HKD
Retailer 12HK$6,234 HKD
Retailer 2HK$6,787 HKD
Retailer 9HK$7,167 HKD
Retailer 8HK$8,186 HKD
Retailer 10HK$11,525 HKD
Retailer 4HK$11,619 HKD
Retailer 14HK$15,307 HKD
Retailer 6HK$15,560 HKD
Retailer 5HK$16,004 HKD
Retailer 7HK$16,594 HKD
Retailer 3HK$17,008 HKD
Retailer 1HK$20,516 HKD

25 data points across 15 retailers

16 retailersHK$4,441 HKD to HK$20,516 HKD

A
Cheapest Retailer
-
HK$4,441 HKD
$566 USD
Final sale: no returns
A
Retailer 2
-
HK$5,423 HKD
View
A
Retailer 3
-
HK$5,924 HKD
$755 USD
View
Retailer 4
-
HK$6,234 HKD
£626 GBP
View
Price last confirmed 19 days ago
B+
Retailer 5
-
HK$6,787 HKD
$865 USD
View
A
Retailer 6
-
HK$7,167 HKD
€870 EUR
View
A
Retailer 7
-
HK$8,186 HKD
£822 GBP
View
A
Retailer 8
-
HK$11,525 HKD
$1,469 USD
View
A
Retailer 9
-
HK$11,619 HKD
$1,481 USD
View
B+
Retailer 10
-
HK$15,307 HKD
$1,951 USD
View
B+
Retailer 11
-
HK$15,560 HKD
SGD 2,680 SGD
View
B+
Retailer 12
-
HK$16,004 HKD
$2,040 USD
View
B+
Retailer 13
-
HK$16,594 HKD
$2,115 USD
View
B+
Retailer 14
-
HK$17,008 HKD
$2,168 USD
View
B+
Retailer 15
-
HK$20,516 HKD
£2,059 GBP
View
Most Expensive
Brilliant Earth
21801314A · Oct 24
HK$29,186 HKD
$3,720 USD
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from HK$4,441 HKDSave up to HK$16,075 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
3.10ct Cushion
HK$4,441 HKD