Cushion|Lab Grown|IGI

1.51ct E VVS1 Cushion Lab Grown Diamond

VG • E/VVS1 • IGI LG737548268

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

Certificate IGI LG737548268

Diamond specifications and retailer prices

From $309 USD
As of October 30, 2026
Save $2,111 USD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,420 USD at Brilliant Earth · As of October 30, 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 VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG737548268 or 737548268. Listed at 21 retailers as of October 30, 2026, with prices from $309 to $2,420, a $2,111 spread on the same certified stone. Brilliant Earth lists it at $2,420. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737548268
Dimensions6.77 × 6.58 × 3.89 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.77 mm6.58 mm1.51 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737548268
Side View
Table 68.0%Crown 33.5°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,420 USD|Low: $343 USD|High: $2,590 USD|Avg: $972 USD|-6.6%
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
October 30, 2026
Retailer 4$343 USD
Retailer 12$465 USD
Retailer 2$566 USD
Retailer 11$589 USD
Retailer 7$604 USD
Retailer 8$614 USD
Retailer 6$679 USD
Retailer 10$798 USD
Retailer 14$1,222 USD
Retailer 3$1,230 USD
Retailer 5$1,341 USD
Retailer 13$1,365 USD
Retailer 9$1,382 USD
Brilliant Earth$2,420 USD

39 data points across 14 retailers

21 retailers$309 USD to $2,420 USD

A
Cheapest Retailer
-
$309 USD
Final sale: no returns
A
Retailer 2
-
$343 USD
View
A
Retailer 3
-
$384 USD
HK$3,000 HKD
View
A
Retailer 4
-
$465 USD
View
A
Retailer 5
-
$566 USD
View
A
Retailer 6
-
$589 USD
ZAR 9,516 ZAR
View
A
Retailer 7
-
$604 USD
£475 GBP
View
A
Retailer 8
-
$614 USD
€585 EUR
View
A
Retailer 9
-
$631 USD
View
B+
Retailer 10
-
$679 USD
View
B+
Retailer 11
-
$798 USD
A$1,227 AUD
View
B+
Retailer 12
-
$1,070 USD
View
B
Retailer 13
-
$1,105 USD
SGD 1,493 SGD
View
B
Retailer 14
-
$1,153 USD
View
B
Retailer 15
-
$1,222 USD
View
Retailer 16
-
$1,230 USD
A$1,892 AUD
View
Price last confirmed 22 days ago
B
Retailer 17
-
$1,341 USD
£1,056 GBP
View
Retailer 18
-
$1,365 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,382 USD
£1,088 GBP
View
B
Retailer 20
-
$1,438 USD
View
Most Expensive
B
Brilliant Earth
20665964A · Oct 30
$2,420 USD
View
20 more retailers have this diamond
Prices start from $309 USDSave up to $2,111 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
$309 USD