Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG821606794

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821606794

Diamond specifications and retailer prices

From $244 USD
As of October 30, 2026
Save $1,940 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,184 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821606794 or 821606794. Listed at 15 retailers as of October 27, 2026, with prices from $244 to $2,184, a $1,940 spread on the same certified stone. Queensmith lists it at $2,184. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821606794
Dimensions7.69 × 6.04 × 3.75 mm
L/W Ratio1.27
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.69 mm6.04 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821606794
Side View
Table 64.0%Crown 33.3°Girdle: MED-THKPavilion 32.3°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $503 USD|Low: $173 USD|High: $1,252 USD|Avg: $712 USD|-0.9%
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
October 30, 2026
Retailer 14$244 USD
Retailer 11$271 USD
Retailer 3$464 USD
Retailer 9$465 USD
Retailer 7$502 USD
Retailer 1$503 USD
Retailer 6$517 USD
Retailer 10$632 USD
Retailer 4$923 USD
Retailer 8$1,008 USD
Retailer 12$1,087 USD
Retailer 2$1,102 USD
Retailer 13$1,105 USD
Retailer 5$1,252 USD

43 data points across 14 retailers

15 retailers$244 USD to $2,184 USD

A
Cheapest Retailer
-
$244 USD
Final sale: no returns
A
Retailer 2
-
$271 USD
View
A
Retailer 3
-
$464 USD
View
A
Retailer 4
-
$465 USD
ZAR 7,516 ZAR
View
A
Retailer 5
-
$502 USD
€478 EUR
View
A
Retailer 6
-
$503 USD
£396 GBP
View
A
Retailer 7
-
$517 USD
View
A
Retailer 8
-
$632 USD
A$973 AUD
View
B+
Retailer 9
-
$923 USD
View
B+
Retailer 10
-
$1,008 USD
A$1,551 AUD
View
B+
Retailer 11
-
$1,087 USD
£856 GBP
View
B
Retailer 12
-
$1,102 USD
View
Retailer 13
-
$1,105 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,252 USD
View
Most Expensive
B
Queensmith
LG821606794 · Oct 27
$2,184 USD
£1,720 GBP
View
14 more retailers have this diamond
Prices start from $244 USDSave up to $1,940 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
1.51ct Cushion
$244 USD