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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG707506817

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG707506817

Diamond specifications and retailer prices

From $193 SGD
$151 USD
As of October 30, 2026
Save $1,071 SGD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,807 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG707506817 or 707506817. Listed at 11 retailers as of October 30, 2026, with a 555% 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

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707506817
Dimensions4.74 × 4.67 × 2.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
4.74 mm4.67 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG707506817
Side View
Table 65.0%Crown 33.6°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
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: $1,807 SGD|Low: $139 SGD|High: $1,820 SGD|Avg: $596 SGD|+76.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$193 SGD
Retailer 9$215 SGD
Retailer 8$294 SGD
Retailer 5$362 SGD
Retailer 2$385 SGD
Retailer 6$389 SGD
Retailer 10$405 SGD
Retailer 4$415 SGD
Retailer 11$524 SGD
Retailer 7$1,130 SGD
Retailer 12$1,264 SGD
MOH London$1,807 SGD

37 data points across 12 retailers

11 retailers$193 SGD to $1,264 SGD

A
Cheapest Retailer
-
$193 SGD
$151 USD
Final sale: no returns
A
Retailer 2
-
$215 SGD
$168 USD
View
A
Retailer 3
-
$294 SGD
$230 USD
View
B+
Retailer 4
-
$362 SGD
£223 GBP
View
B+
Retailer 5
-
$385 SGD
€287 EUR
View
B+
Retailer 6
-
$389 SGD
ZAR 4,917 ZAR
View
B+
Retailer 7
-
$405 SGD
$317 USD
View
B+
Retailer 8
-
$524 SGD
$410 USD
View
B
Retailer 9
-
$1,130 SGD
£696 GBP
View
B
Retailer 10
-
$1,264 SGD
$989 USD
View
Most Expensive
MOH London
LG707506817 · Oct 29
$1,807 SGD
£1,113 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $193 SGDSave up to $1,071 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
0.51ct Cushion
$193 SGD