Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG737506888

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG737506888

Diamond specifications and retailer prices

From $260 USD
As of October 30, 2026
Save $1,940 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,200 USD at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

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 LG737506888 or 737506888. Listed at 19 retailers as of October 30, 2026, with prices from $260 to $2,200, a $1,940 spread on the same certified stone. Yadav Diamonds lists it at $2,200. 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 angle37.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737506888
Dimensions6.54 × 6.54 × 4.48 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
6.54 mm6.54 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737506888
Side View
Table 62.0%Crown 37.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
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: $476 USD|Low: $260 USD|High: $1,411 USD|Avg: $704 USD|-9.4%
Retailer 1
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Retailer 11
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Retailer 18
October 31, 2026
Retailer 17$260 USD
Retailer 8$306 USD
Retailer 3$323 USD
Retailer 18$390 USD
Retailer 1$476 USD
Retailer 10$500 USD
Retailer 14$523 USD
Retailer 6$526 USD
Retailer 15$541 USD
Retailer 11$546 USD
Retailer 7$714 USD
Retailer 13$715 USD
Retailer 4$883 USD
Retailer 5$982 USD
Retailer 12$1,023 USD
Retailer 16$1,176 USD
Retailer 9$1,228 USD
Retailer 2$1,299 USD

28 data points across 18 retailers

19 retailers$260 USD to $2,200 USD

A
Cheapest Retailer
-
$260 USD
Final sale: no returns
A
Retailer 2
-
$306 USD
View
A
Retailer 3
-
$323 USD
£254 GBP
View
B+
Retailer 4
-
$390 USD
View
A
Retailer 5
-
$476 USD
€453 EUR
View
Retailer 6
-
$500 USD
View
Price last confirmed 11 days ago
A
Retailer 7
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$523 USD
View
A
Retailer 8
-
$526 USD
ZAR 8,496 ZAR
View
A
Retailer 9
-
$541 USD
View
A
Retailer 10
-
$546 USD
£430 GBP
View
B+
Retailer 11
-
$714 USD
A$1,098 AUD
View
B+
Retailer 12
-
$715 USD
View
B+
Retailer 13
-
$883 USD
View
B+
Retailer 14
-
$982 USD
View
B+
Retailer 15
-
$1,023 USD
SGD 1,383 SGD
View
B+
Retailer 16
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$1,176 USD
View
B
Retailer 17
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$1,228 USD
£967 GBP
View
B
Retailer 18
-
$1,299 USD
View
Most Expensive
B
Yadav Diamonds
13005333 · Oct 30
$2,200 USD
View
18 more retailers have this diamond
Prices start from $260 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
$260 USD