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Cushion|Lab Grown|IGI

3.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG838612217

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

Certificate IGI LG838612217

Diamond specifications and retailer prices

From HK$4,817 HKD
$614 USD
As of October 31, 2026
Save HK$27,115 HKD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$32,638 HKD at Brilliant Earth · As of October 15, 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 LG838612217 or 838612217. Listed at 15 retailers as of October 29, 2026, with a 563% 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 angle32.7°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838612217
Dimensions8.33 × 8.30 × 5.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm8.30 mm3.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838612217
Side View
Table 62.0%Crown 32.7°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 66.9%

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$6,203 HKD|Low: HK$4,817 HKD|High: HK$24,322 HKD|Avg: HK$12,729 HKD|-1.4%
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
November 1, 2026
Retailer 13HK$4,817 HKD
Retailer 11HK$5,492 HKD
Retailer 1HK$6,203 HKD
Retailer 5HK$6,841 HKD
Retailer 6HK$7,760 HKD
Retailer 8HK$10,541 HKD
Retailer 7HK$11,212 HKD
Retailer 2HK$11,635 HKD
Retailer 12HK$17,841 HKD
Retailer 3HK$19,353 HKD
Retailer 10HK$20,785 HKD
Retailer 4HK$22,337 HKD
Retailer 9HK$24,047 HKD

21 data points across 13 retailers

15 retailersHK$4,817 HKD to HK$31,932 HKD

A
Cheapest Retailer
-
HK$4,817 HKD
$614 USD
Final sale: no returns
A
Retailer 2
-
HK$5,492 HKD
$700 USD
View
A
Retailer 3
-
HK$6,203 HKD
£623 GBP
View
B+
Retailer 4
-
HK$6,841 HKD
$872 USD
View
A
Retailer 5
-
HK$7,760 HKD
€942 EUR
View
Retailer 6
-
HK$10,541 HKD
A$2,067 AUD
View
Price last confirmed 12 days ago
A
Retailer 7
-
HK$11,212 HKD
$1,429 USD
View
A
Retailer 8
-
HK$11,635 HKD
$1,483 USD
View
B+
Retailer 9
-
HK$17,841 HKD
$2,274 USD
View
Retailer 10
-
HK$19,353 HKD
A$3,795 AUD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
HK$20,785 HKD
£2,086 GBP
View
B
Retailer 12
-
HK$22,337 HKD
$2,847 USD
View
Retailer 13
-
HK$24,047 HKD
$3,065 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
HK$31,932 HKD
$4,070 USD
View
Most Expensive
Brilliant Earth
21764321A · Oct 15
HK$32,638 HKD
$4,160 USD
View
Price last confirmed 17 days ago
14 more retailers have this diamond
Prices start from HK$4,817 HKDSave up to HK$27,115 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$4,817 HKD