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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 $312 SGD
$244 USD
As of October 30, 2026
Save $1,734 SGD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,045 SGD 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 $312 to $2,045, a $1,734 spread on the same certified stone. Brilliant Earth lists it at $2,045. 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
Colour
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: $2,045 SGD|Low: $312 SGD|High: $2,608 SGD|Avg: $958 SGD|-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$312 SGD
Retailer 6$346 SGD
Retailer 7$387 SGD
Retailer 13$577 SGD
Retailer 15$595 SGD
Retailer 11$638 SGD
Retailer 8$661 SGD
Retailer 9$671 SGD
Retailer 16$809 SGD
Retailer 12$904 SGD
Retailer 4$1,115 SGD
Retailer 10$1,180 SGD
Retailer 2$1,262 SGD
Retailer 14$1,280 SGD
Retailer 17$1,395 SGD
Retailer 18$1,413 SGD
Retailer 3$1,601 SGD
Brilliant Earth$2,045 SGD

41 data points across 18 retailers

19 retailers$312 SGD to $2,045 SGD

A
Cheapest Retailer
-
$312 SGD
$244 USD
Final sale: no returns
A
Retailer 2
-
$346 SGD
$271 USD
View
Retailer 3
-
$387 SGD
£239 GBP
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$463 SGD
$362 USD
View
A
Retailer 5
-
$577 SGD
€430 EUR
View
A
Retailer 6
-
$595 SGD
ZAR 7,516 ZAR
View
A
Retailer 7
-
$638 SGD
£393 GBP
View
A
Retailer 8
-
$661 SGD
$517 USD
View
A
Retailer 9
-
$671 SGD
$525 USD
View
A
Retailer 10
-
$809 SGD
A$973 AUD
View
B+
Retailer 11
-
$904 SGD
$707 USD
View
B+
Retailer 12
-
$1,115 SGD
View
B+
Retailer 13
-
$1,180 SGD
$923 USD
View
B+
Retailer 14
-
$1,262 SGD
$987 USD
View
B+
Retailer 15
-
$1,280 SGD
A$1,540 AUD
View
B+
Retailer 16
-
$1,395 SGD
£859 GBP
View
Retailer 17
-
$1,413 SGD
$1,105 USD
View
Price last confirmed 12 days ago
B
Retailer 18
-
$1,601 SGD
$1,252 USD
View
Most Expensive
B
Brilliant Earth
22184109A · Oct 30
$2,045 SGD
$1,600 USD
View
18 more retailers have this diamond
Prices start from $312 SGDSave up to $1,734 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
$312 SGD