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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG807689860

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG807689860

Diamond specifications and retailer prices

From $244 USD
As of October 30, 2026
Save $1,356 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,600 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG807689860 or 807689860. Listed at 19 retailers as of October 30, 2026, with prices from $244 to $1,600, a $1,356 spread on the same certified stone. Brilliant Earth lists it at $1,600. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807689860
Dimensions7.80 × 5.81 × 3.90 mm
L/W Ratio1.34
Girdle conditionFaceted
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
7.80 mm5.81 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807689860
Side View
Table 59.0%Crown 32.3°Girdle: STK-THKPavilion 31.6°Culet: NoneDepth 67.1%

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: $1,600 USD|Low: $244 USD|High: $2,040 USD|Avg: $750 USD|-21.6%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 5$244 USD
Retailer 6$271 USD
Retailer 7$303 USD
Retailer 2$448 USD
Retailer 15$465 USD
Retailer 12$499 USD
Retailer 8$517 USD
Retailer 9$525 USD
Retailer 16$632 USD
Retailer 13$707 USD
Retailer 4$872 USD
Retailer 10$923 USD
Retailer 11$987 USD
Retailer 14$1,001 USD
Retailer 17$1,091 USD
Retailer 18$1,105 USD
Retailer 3$1,252 USD
Brilliant Earth$1,600 USD

40 data points across 18 retailers

19 retailers$244 USD to $1,600 USD

A
Cheapest Retailer
-
$244 USD
Final sale: no returns
A
Retailer 2
-
$271 USD
View
Retailer 3
-
$303 USD
£239 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$362 USD
View
A
Retailer 5
-
$448 USD
€427 EUR
View
A
Retailer 6
-
$465 USD
ZAR 7,516 ZAR
View
A
Retailer 7
-
$499 USD
£393 GBP
View
A
Retailer 8
-
$517 USD
View
A
Retailer 9
-
$525 USD
View
A
Retailer 10
-
$632 USD
A$973 AUD
View
B+
Retailer 11
-
$707 USD
View
B+
Retailer 12
-
$872 USD
SGD 1,179 SGD
View
B+
Retailer 13
-
$923 USD
View
B+
Retailer 14
-
$987 USD
View
B+
Retailer 15
-
$1,001 USD
A$1,540 AUD
View
B+
Retailer 16
-
$1,091 USD
£859 GBP
View
Retailer 17
-
$1,105 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$1,252 USD
View
Most Expensive
B
Brilliant Earth
22184109A · Oct 30
$1,600 USD
View
18 more retailers have this diamond
Prices start from $244 USDSave up to $1,356 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
$244 USD