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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 $912 CAD
HK$5,100 HKD
As of October 30, 2026
Save $1,770 CAD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,984 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 29, 2026, with a 194% 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
Color
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 30
Current: $1,288 CAD|Low: $756 CAD|High: $4,384 CAD|Avg: $1,810 CAD|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 3$756 CAD
Retailer 10$840 CAD
Retailer 11$887 CAD
Retailer 9$912 CAD
Retailer 4$1,111 CAD
Retailer 8$1,125 CAD
Retailer 1$1,288 CAD
Retailer 6$1,715 CAD
Retailer 2$2,665 CAD
Retailer 5$2,682 CAD
Taylor and Hart$2,984 CAD
Retailer 7$4,338 CAD

28 data points across 12 retailers

11 retailers$912 CAD to $2,682 CAD

Retailer 1
-
$756 CAD
$541 USD
Price last confirmed 7 days ago
Retailer 2
-
$887 CAD
$635 USD
View
Price last confirmed 36 days ago
B+
Retailer 3
-
$912 CAD
HK$5,100 HKD
View
B+
Retailer 4
-
$1,111 CAD
$795 USD
View
B+
Retailer 5
-
$1,125 CAD
$805 USD
View
B+
Retailer 6
-
$1,288 CAD
€878 EUR
View
B
Retailer 7
-
$1,715 CAD
ZAR 19,829 ZAR
View
B
Retailer 8
-
$2,665 CAD
SGD 2,578 SGD
View
B
Retailer 9
-
$2,682 CAD
£1,512 GBP
View
Most Expensive
Taylor and Hart
V6FK0YB · Oct 30
$2,984 CAD
$2,136 USD
View
Price under review
9 more retailers have this diamond
Prices start from $912 CADSave up to $1,770 CAD

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
$912 CAD