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Cushion|Lab Grown|IGI

3.09ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG837623419

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837623419

Diamond specifications and retailer prices

From HK$12,553 HKD
As of October 30, 2026
Save HK$23,861 HKD (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$37,146 HKD at MOH London · As of October 25, 2026
View at MOH London

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837623419 or 837623419. Listed at 10 retailers as of October 30, 2026, with a 190% 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

3.09
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837623419
Dimensions9.54 × 7.48 × 4.82 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.54 mm7.48 mm3.09 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837623419
Side View
Table 57.0%Crown 36.3°Girdle: STK-THKPavilion 30.6°Culet: NoneDepth 64.4%

Caratlytics Score

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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 30
Current: HK$37,146 HKD|Low: HK$11,847 HKD|High: HK$37,544 HKD|Avg: HK$20,367 HKD|+6.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8HK$12,239 HKD
Retailer 10HK$12,553 HKD
Retailer 7HK$12,985 HKD
Retailer 5HK$13,259 HKD
Retailer 3HK$14,092 HKD
Retailer 6HK$15,534 HKD
Retailer 2HK$17,316 HKD
Retailer 4HK$27,695 HKD
Retailer 9HK$36,414 HKD
MOH LondonHK$37,146 HKD

38 data points across 10 retailers

10 retailersHK$12,553 HKD to HK$36,414 HKD

Retailer 1
-
HK$12,239 HKD
$1,560 USD
Price last confirmed 38 days ago
A
Retailer 2
-
HK$12,553 HKD
View
Retailer 3
-
HK$12,985 HKD
$1,655 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
HK$13,259 HKD
$1,690 USD
View
A
Retailer 5
-
HK$14,092 HKD
£1,414 GBP
View
A
Retailer 6
-
HK$15,534 HKD
$1,980 USD
View
B+
Retailer 7
-
HK$17,316 HKD
€2,102 EUR
View
B
Retailer 8
-
HK$27,695 HKD
ZAR 57,027 ZAR
View
B
Retailer 9
-
HK$36,414 HKD
SGD 6,272 SGD
View
Most Expensive
MOH London
LG837623419 · Oct 25
HK$37,146 HKD
£3,728 GBP
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from HK$12,553 HKDSave up to HK$23,861 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
3.09ct Cushion
HK$12,553 HKD