Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG835609100

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835609100

Diamond specifications and retailer prices

From $294 USD
HK$2,300 HKD
As of November 1, 2026
Save $769 USD (72%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,227 USD at Reve Diamonds · As of October 25, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835609100 or 835609100. Listed at 19 retailers as of October 26, 2026, with a 261% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.7°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835609100
Dimensions8.05 × 5.78 × 3.57 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm5.78 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835609100
Side View
Table 65.0%Crown 34.7°Girdle: MED-STKPavilion 31.4°Culet: NoneDepth 61.8%

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: $814 USD|Low: $235 USD|High: $1,340 USD|Avg: $702 USD|-4.1%
Retailer 1
Retailer 2
Retailer 3
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Retailer 6
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Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Retailer 15
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Retailer 18
Retailer 19
Reve Diamonds
November 2, 2026
Retailer 10$235 USD
Retailer 8$294 USD
Retailer 16$306 USD
Retailer 13$420 USD
Retailer 3$441 USD
Retailer 5$448 USD
Retailer 18$479 USD
Retailer 4$509 USD
Retailer 11$516 USD
Retailer 17$609 USD
Retailer 14$668 USD
Retailer 1$814 USD
Retailer 9$892 USD
Retailer 19$894 USD
Retailer 6$1,010 USD
Retailer 15$1,034 USD
Retailer 2$1,046 USD
Retailer 12$1,060 USD
Retailer 7$1,063 USD
Reve Diamonds$1,227 USD

25 data points across 20 retailers

19 retailers$294 USD to $1,063 USD

A
Cheapest Retailer
-
$294 USD
HK$2,300 HKD
A
Retailer 2
-
$306 USD
£241 GBP
View
A
Retailer 3
-
$420 USD
€400 EUR
View
Retailer 4
-
$441 USD
ZAR 7,127 ZAR
View
Price last confirmed 10 days ago
Retailer 5
-
$448 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$479 USD
£377 GBP
View
A
Retailer 7
-
$509 USD
View
A
Retailer 8
-
$516 USD
View
A
Retailer 9
-
$609 USD
A$937 AUD
View
B+
Retailer 10
-
$668 USD
View
B+
Retailer 11
-
$814 USD
SGD 1,100 SGD
View
B
Retailer 12
-
$892 USD
View
Retailer 13
-
$894 USD
A$1,375 AUD
View
Price last confirmed 8 days ago
Retailer 14
-
$1,010 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
$1,034 USD
View
Retailer 16
-
$1,046 USD
£824 GBP
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$1,060 USD
View
B
Retailer 18
-
$1,063 USD
View
Most Expensive
Reve Diamonds
3C30B3091 · Oct 25
$1,227 USD
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $294 USDSave up to $769 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
$294 USD