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Cushion|Lab Grown|IGI

1.21ct I VVS2 Cushion Lab Grown Diamond

ID • I/VVS2 • IGI LG837623718

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG837623718

Diamond specifications and retailer prices

From $931 AUD
HK$5,100 HKD
As of October 31, 2026
Save $2,117 AUD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,916 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837623718 or 837623718. Listed at 11 retailers as of October 31, 2026, with a 227% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837623718
Dimensions7.81 × 5.79 × 3.72 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.79 mm1.21 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837623718
Side View
Table 53.0%Crown 34.4°Girdle: STK-THKPavilion 36.8°Culet: LargeDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $3,916 AUD|Low: $772 AUD|High: $4,478 AUD|Avg: $1,845 AUD|+24.1%
MOH London
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 4$772 AUD
Retailer 11$858 AUD
Retailer 12$906 AUD
Retailer 10$931 AUD
Retailer 6$1,134 AUD
Retailer 9$1,149 AUD
Retailer 2$1,306 AUD
Retailer 8$1,751 AUD
Retailer 3$2,722 AUD
Retailer 7$2,740 AUD
Retailer 5$3,049 AUD
MOH London$3,916 AUD

30 data points across 12 retailers

11 retailers$931 AUD to $3,049 AUD

Retailer 1
-
$772 AUD
$541 USD
Price last confirmed 10 days ago
Retailer 2
-
$906 AUD
$635 USD
View
Price last confirmed 39 days ago
B+
Retailer 3
-
$931 AUD
HK$5,100 HKD
View
B+
Retailer 4
-
$1,134 AUD
$795 USD
View
B+
Retailer 5
-
$1,149 AUD
$805 USD
View
B+
Retailer 6
-
$1,306 AUD
€872 EUR
View
B
Retailer 7
-
$1,751 AUD
ZAR 19,829 ZAR
View
B
Retailer 8
-
$2,722 AUD
SGD 2,578 SGD
View
B
Retailer 9
-
$2,740 AUD
£1,512 GBP
View
B
Retailer 10
-
$3,049 AUD
$2,136 USD
View
Most Expensive
MOH London
LG837623718 · Nov 1
$3,916 AUD
£2,161 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $931 AUDSave up to $2,117 AUD

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+
1.21ct Cushion
$931 AUD