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Cushion|Lab Grown|IGI

1.51ct E VVS2 Cushion Lab Grown Diamond

EX • E/VVS2 • IGI LG689566533

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

Certificate IGI LG689566533

Diamond specifications and retailer prices

From $252 USD
As of October 30, 2026
Save $1,888 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,140 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG689566533 or 689566533. Listed at 19 retailers as of October 29, 2026, with prices from $252 to $2,140, a $1,888 spread on the same certified stone. Brilliant Earth lists it at $2,140. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689566533
Dimensions6.66 × 6.66 × 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
6.66 mm6.66 mm1.51 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689566533
Side View
Table 61.0%Crown 37.1°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 64.7%

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: $2,140 USD|Low: $242 USD|High: $2,260 USD|Avg: $868 USD|-5.3%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 16$252 USD
Retailer 3$420 USD
Retailer 19$422 USD
Retailer 10$422 USD
Retailer 12$500 USD
Retailer 14$510 USD
Retailer 6$523 USD
Retailer 11$555 USD
Retailer 2$562 USD
Retailer 9$651 USD
Retailer 15$692 USD
Retailer 18$1,030 USD
Retailer 7$1,126 USD
Retailer 17$1,155 USD
Retailer 13$1,196 USD
Retailer 8$1,209 USD
Retailer 5$1,248 USD
Retailer 4$2,080 USD
Brilliant Earth$2,140 USD

37 data points across 19 retailers

19 retailers$252 USD to $2,140 USD

A
Cheapest Retailer
-
$252 USD
Final sale: no returns
B+
Retailer 2
-
$420 USD
View
A
Retailer 3
-
$422 USD
View
A
Retailer 4
-
$422 USD
HK$3,300 HKD
View
A
Retailer 5
-
$500 USD
€476 EUR
View
A
Retailer 6
-
$510 USD
ZAR 8,245 ZAR
View
A
Retailer 7
-
$523 USD
View
A
Retailer 8
-
$562 USD
£443 GBP
View
A
Retailer 9
-
$651 USD
View
A
Retailer 10
-
$692 USD
A$1,065 AUD
View
Retailer 11
-
$735 USD
A$1,131 AUD
View
Price last confirmed 33 days ago
Retailer 12
-
$1,030 USD
A$1,584 AUD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
$1,126 USD
View
Retailer 14
-
$1,155 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$1,196 USD
£942 GBP
View
B+
Retailer 16
-
$1,209 USD
SGD 1,634 SGD
View
B
Retailer 17
-
$1,248 USD
View
B
Retailer 18
-
$2,080 USD
View
Most Expensive
B
Brilliant Earth
21476418Y · Oct 29
$2,140 USD
View
18 more retailers have this diamond
Prices start from $252 USDSave up to $1,888 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
$252 USD