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Cushion|Lab Grown|IGI

1.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG658475150

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG658475150

Diamond specifications and retailer prices

From $245 USD
As of October 30, 2026
Save $1,010 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,255 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG658475150 or 658475150. Listed at 15 retailers as of October 30, 2026, with prices from $245 to $1,255, a $1,010 spread on the same certified stone. Reve Diamonds lists it at $1,255. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658475150
Dimensions6.14 × 6.12 × 4.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.14 mm6.12 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658475150
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $501 USD|Low: $221 USD|High: $1,290 USD|Avg: $673 USD|+16.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
October 31, 2026
Retailer 2$245 USD
Retailer 14$365 USD
Retailer 9$423 USD
Retailer 5$464 USD
Retailer 12$467 USD
Retailer 3$473 USD
Retailer 1$501 USD
Retailer 15$589 USD
Retailer 13$664 USD
Retailer 11$725 USD
Retailer 6$745 USD
Retailer 7$899 USD
Retailer 4$927 USD
Retailer 8$1,070 USD
Retailer 10$1,095 USD
Reve Diamonds$1,255 USD

37 data points across 16 retailers

15 retailers$245 USD to $1,255 USD

A
Cheapest Retailer
-
$245 USD
Final sale: no returns
Retailer 2
-
$365 USD
£287 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$423 USD
€403 EUR
View
A
Retailer 4
-
$464 USD
View
A
Retailer 5
-
$467 USD
ZAR 7,543 ZAR
View
A
Retailer 6
-
$473 USD
View
B+
Retailer 7
-
$501 USD
£394 GBP
View
B+
Retailer 8
-
$589 USD
View
B+
Retailer 9
-
$664 USD
A$1,022 AUD
View
B+
Retailer 10
-
$725 USD
View
B+
Retailer 11
-
$745 USD
View
B
Retailer 12
-
$927 USD
View
B
Retailer 13
-
$1,070 USD
View
B
Retailer 14
-
$1,095 USD
£862 GBP
View
Most Expensive
B
Reve Diamonds
ACBB1653A · Oct 30
$1,255 USD
View
14 more retailers have this diamond
Prices start from $245 USDSave up to $1,010 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.

A
1.21ct Cushion
$245 USD