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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 $653 USD
HK$5,100 HKD
As of October 31, 2026
Save $1,484 USD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,136 USD at Taylor and Hart · As of October 31, 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 31, 2026, with prices from $653 to $2,136, a $1,484 spread on the same certified stone. Taylor and Hart lists it at $2,136. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $916 USD|Low: $541 USD|High: $3,138 USD|Avg: $1,295 USD|+2.3%
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 31, 2026
Retailer 3$541 USD
Retailer 10$601 USD
Retailer 11$635 USD
Retailer 9$653 USD
Retailer 4$795 USD
Retailer 8$805 USD
Retailer 1$916 USD
Retailer 6$1,227 USD
Retailer 2$1,908 USD
Retailer 5$1,920 USD
Taylor and Hart$2,136 USD
Retailer 7$3,105 USD

29 data points across 12 retailers

11 retailers$653 USD to $2,136 USD

Retailer 1
-
$541 USD
Price last confirmed 7 days ago
Retailer 2
-
$635 USD
View
Price last confirmed 36 days ago
B+
Retailer 3
-
$653 USD
HK$5,100 HKD
View
B+
Retailer 4
-
$795 USD
View
B+
Retailer 5
-
$805 USD
View
B+
Retailer 6
-
$916 USD
€872 EUR
View
B
Retailer 7
-
$1,227 USD
ZAR 19,829 ZAR
View
B
Retailer 8
-
$1,908 USD
SGD 2,578 SGD
View
B
Retailer 9
-
$1,920 USD
£1,512 GBP
View
Most Expensive
B
Taylor and Hart
V6FK0YB · Oct 31
$2,136 USD
View
9 more retailers have this diamond
Prices start from $653 USDSave up to $1,484 USD

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
$653 USD