Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG808607743

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG808607743

Diamond specifications and retailer prices

From $360 USD
As of November 1, 2026
Save $1,500 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,860 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG808607743 or 808607743. Listed at 16 retailers as of October 30, 2026, with prices from $360 to $1,860, a $1,500 spread on the same certified stone. Brilliant Earth lists it at $1,860. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808607743
Dimensions8.76 × 5.97 × 3.86 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.76 mm5.97 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808607743
Side View
Table 56.0%Crown 39.4°Girdle: STK-THKPavilion 38.2°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: Nov 1
Current: $1,860 USD|Low: $360 USD|High: $2,010 USD|Avg: $904 USD|-7.5%
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
November 2, 2026
Retailer 3$360 USD
Retailer 4$399 USD
Retailer 12$538 USD
Retailer 9$550 USD
Retailer 8$637 USD
Retailer 6$689 USD
Retailer 2$713 USD
Retailer 5$732 USD
Retailer 10$931 USD
Retailer 11$985 USD
Retailer 13$1,535 USD
Retailer 7$1,600 USD
Brilliant Earth$1,860 USD

43 data points across 13 retailers

16 retailers$360 USD to $1,860 USD

A
Cheapest Retailer
-
$360 USD
Final sale: no returns
Retailer 2
-
$399 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$538 USD
View
A
Retailer 4
-
$548 USD
View
A
Retailer 5
-
$550 USD
View
A
Retailer 6
-
$637 USD
€607 EUR
View
B+
Retailer 7
-
$689 USD
ZAR 11,125 ZAR
View
B+
Retailer 8
-
$713 USD
£562 GBP
View
B+
Retailer 9
-
$732 USD
View
B+
Retailer 10
-
$931 USD
A$1,432 AUD
View
B+
Retailer 11
-
$985 USD
View
Retailer 12
-
$1,187 USD
View
Price last confirmed 97 days ago
B
Retailer 13
-
$1,329 USD
View
B
Retailer 14
-
$1,535 USD
View
B
Retailer 15
-
$1,600 USD
£1,260 GBP
View
Most Expensive
B
Brilliant Earth
20254622A · Oct 30
$1,860 USD
View
15 more retailers have this diamond
Prices start from $360 USDSave up to $1,500 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
$360 USD