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Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG813661595

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813661595

Diamond specifications and retailer prices

From $396 SGD
As of November 4, 2026
Save $1,188 SGD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,677 SGD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG813661595 or 813661595. Listed at 17 retailers as of November 4, 2026, with a 300% 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813661595
Dimensions7.11 × 6.20 × 4.12 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm6.20 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813661595
Side View
Table 66.0%Crown 32.4°Girdle: STK-VTKPavilion 37.2°Culet: NoneDepth 66.5%

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 4
Current: $623 SGD|Low: $396 SGD|High: $1,852 SGD|Avg: $887 SGD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6$396 SGD
Retailer 8$551 SGD
Retailer 9$584 SGD
Retailer 7$586 SGD
Retailer 1$623 SGD
Retailer 3$668 SGD
Retailer 11$794 SGD
Retailer 10$1,141 SGD
Retailer 4$1,290 SGD
Retailer 2$1,323 SGD
Retailer 5$1,359 SGD
Retailer 12$1,699 SGD

33 data points across 12 retailers

17 retailers$396 SGD to $1,584 SGD

A
Cheapest Retailer
-
$396 SGD
A
Retailer 2
-
$551 SGD
View
A
Retailer 3
-
$584 SGD
View
A
Retailer 4
-
$586 SGD
View
A
Retailer 5
-
$623 SGD
View
A
Retailer 6
-
$665 SGD
View
A
Retailer 7
-
$668 SGD
View
Retailer 8
-
$794 SGD
View
Price last confirmed 9 days ago
Retailer 9
-
$1,141 SGD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$1,160 SGD
View
B+
Retailer 11
-
$1,236 SGD
View
B+
Retailer 12
-
$1,290 SGD
View
B
Retailer 13
-
$1,323 SGD
View
B+
Retailer 14
-
$1,359 SGD
View
B
Retailer 15
-
$1,584 SGD
View
Retailer 16
-
$1,699 SGD
View
Price last confirmed 18 days ago
Most Expensive
Queensmith
LG813661595 · Oct 27
$2,677 SGD
£1,650 GBP
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from $396 SGDSave up to $1,188 SGD

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
$396 SGD