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Cushion|Lab Grown|IGI

1.51ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG665408951

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665408951

Diamond specifications and retailer prices

From $353 AUD
$248 USD
As of October 29, 2026
Save $1,446 AUD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,799 AUD at Reve Diamonds · As of October 28, 2026
View at Reve 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665408951 or 665408951. Listed at 16 retailers as of October 28, 2026, with prices from $353 to $1,799, a $1,446 spread on the same certified stone. Reve Diamonds lists it at $1,799. 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
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408951
Dimensions6.98 × 6.98 × 4.28 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
6.98 mm6.98 mm1.51 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408951
Side View
Table 60.0%Crown 35.7°Girdle: MED-THKPavilion 41°Culet: NoneDepth 61.3%

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 29
Current: $745 AUD|Low: $249 AUD|High: $1,799 AUD|Avg: $993 AUD|+11.9%
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
Retailer 15
Reve Diamonds
October 29, 2026
Retailer 8$353 AUD
Retailer 2$392 AUD
Retailer 3$670 AUD
Retailer 10$727 AUD
Retailer 13$729 AUD
Retailer 1$745 AUD
Retailer 14$752 AUD
Retailer 11$793 AUD
Retailer 15$1,074 AUD
Retailer 4$1,335 AUD
Retailer 6$1,383 AUD
Retailer 12$1,429 AUD
Retailer 7$1,475 AUD
Retailer 9$1,580 AUD
Retailer 5$1,777 AUD
Reve Diamonds$1,799 AUD

46 data points across 16 retailers

16 retailers$353 AUD to $1,799 AUD

A
Cheapest Retailer
-
$353 AUD
$248 USD
Final sale: no returns
A
Retailer 2
-
$392 AUD
$276 USD
View
A
Retailer 3
-
$670 AUD
$471 USD
View
A
Retailer 4
-
$727 AUD
£402 GBP
View
A
Retailer 5
-
$729 AUD
$513 USD
View
A
Retailer 6
-
$745 AUD
€499 EUR
View
A
Retailer 7
-
$752 AUD
$529 USD
View
A
Retailer 8
-
$793 AUD
View
B+
Retailer 9
-
$1,074 AUD
$755 USD
View
B+
Retailer 10
-
$1,335 AUD
$939 USD
View
B
Retailer 11
-
$1,383 AUD
View
Price last confirmed 24 days ago
B
Retailer 12
-
$1,429 AUD
$1,005 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$1,475 AUD
$1,037 USD
View
B
Retailer 14
-
$1,580 AUD
£875 GBP
View
B
Retailer 15
-
$1,777 AUD
$1,250 USD
View
Most Expensive
B
Reve Diamonds
757291B94 · Oct 28
$1,799 AUD
$1,265 USD
View
15 more retailers have this diamond
Prices start from $353 AUDSave up to $1,446 AUD

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
$353 AUD