Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG626459295

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG626459295

Diamond specifications and retailer prices

From $356 USD
As of October 30, 2026
Save $2,474 USD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,830 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 LG626459295 or 626459295. Listed at 18 retailers as of October 29, 2026, with prices from $356 to $2,830, a $2,474 spread on the same certified stone. Do Amore Diamonds lists it at $2,830. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626459295
Dimensions6.48 × 6.48 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.48 mm6.48 mm1.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626459295
Side View
Table 65.0%Crown 37.7°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,830 USD|Low: $356 USD|High: $2,830 USD|Avg: $1,136 USD
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 15
October 30, 2026
Retailer 15$356 USD
Retailer 13$395 USD
Retailer 12$488 USD
Retailer 5$504 USD
Retailer 7$526 USD
Retailer 10$749 USD
Retailer 2$784 USD
Retailer 9$1,012 USD
Retailer 8$1,094 USD
Retailer 14$1,517 USD
Retailer 3$1,567 USD
Retailer 6$1,692 USD
Retailer 11$1,713 USD
Retailer 4$2,190 USD
Do Amore Diamonds$2,830 USD

41 data points across 15 retailers

18 retailers$356 USD to $2,830 USD

A
Cheapest Retailer
-
$356 USD
Final sale: no returns
A
Retailer 2
-
$395 USD
View
A
Retailer 3
-
$424 USD
View
Retailer 4
-
$488 USD
£384 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
$504 USD
View
A
Retailer 6
-
$526 USD
View
A
Retailer 7
-
$550 USD
View
B+
Retailer 8
-
$749 USD
ZAR 12,104 ZAR
View
B+
Retailer 9
-
$784 USD
£618 GBP
View
B+
Retailer 10
-
$1,012 USD
A$1,557 AUD
View
B+
Retailer 11
-
$1,094 USD
A$1,683 AUD
View
B
Retailer 12
-
$1,517 USD
View
B
Retailer 13
-
$1,560 USD
View
B
Retailer 14
-
$1,567 USD
View
B
Retailer 15
-
$1,692 USD
£1,332 GBP
View
Retailer 16
-
$1,713 USD
£1,349 GBP
View
Price last confirmed 9 days ago
Retailer 17
-
$2,190 USD
View
Price last confirmed 27 days ago
Most Expensive
B
Do Amore Diamonds
27-C79BB7B75 · Oct 29
$2,830 USD
View
17 more retailers have this diamond
Prices start from $356 USDSave up to $2,474 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
$356 USD