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Cushion|Lab Grown|IGI

3.18ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG831615121

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831615121

Diamond specifications and retailer prices

From HK$6,566 HKD
€797 EUR
As of October 29, 2026
Save HK$11,895 HKD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$18,461 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.18ct lab-grown cushion diamond

This 3.18ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831615121 or 831615121. Listed at 8 retailers as of October 29, 2026, with prices from HK$6,566 to HK$18,461, a HK$11,895 spread on the same certified stone. With Clarity lists it at HK$18,461. 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

3.18
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831615121
Dimensions10.57 × 7.48 × 5.09 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm7.48 mm3.18 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831615121
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.0%

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 29
Current: HK$12,475 HKD|Low: HK$4,961 HKD|High: HK$18,092 HKD|Avg: HK$11,830 HKD|+137.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 31, 2026
Retailer 4HK$4,961 HKD
Retailer 2HK$6,566 HKD
Retailer 7HK$7,124 HKD
Retailer 1HK$12,475 HKD
Retailer 5HK$14,318 HKD
Retailer 3HK$15,235 HKD
Retailer 6HK$16,610 HKD
With ClarityHK$18,092 HKD

27 data points across 8 retailers

8 retailersHK$6,566 HKD to HK$18,461 HKD

Retailer 1
-
HK$4,961 HKD
£498 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
HK$6,566 HKD
€797 EUR
View
A
Retailer 3
-
HK$7,124 HKD
$908 USD
View
B+
Retailer 4
-
HK$12,475 HKD
$1,590 USD
View
B+
Retailer 5
-
HK$14,318 HKD
$1,825 USD
View
B+
Retailer 6
-
HK$15,235 HKD
£1,529 GBP
View
Retailer 7
-
HK$16,610 HKD
SGD 2,861 SGD
View
Price last confirmed 18 days ago
Most Expensive
B+
With Clarity
831615121 · Oct 31
HK$18,461 HKD
$2,353 USD
View
7 more retailers have this diamond
Prices start from HK$6,566 HKDSave up to HK$11,895 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
3.18ct Cushion
HK$6,566 HKD