Cushion|Lab Grown|IGI

3.00ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG731590309

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731590309

Diamond specifications and retailer prices

From $726 SGD
$568 USD
As of October 30, 2026
Save $2,796 SGD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,079 SGD at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 3ct lab-grown cushion diamond

This 3ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG731590309 or 731590309. Listed at 23 retailers as of October 30, 2026, with a 385% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731590309
Dimensions10.59 × 6.82 × 4.55 mm
L/W Ratio1.55
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.59 mm6.82 mm3.00 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731590309
Side View
Table 66.0%Crown 39°Girdle: STK-VTKPavilion 31.5°Culet: NoneDepth 66.7%

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: $8,079 SGD|Low: $726 SGD|High: $8,079 SGD|Avg: $2,267 SGD
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
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Retailer 8
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Retailer 22
October 31, 2026
Retailer 6$726 SGD
Retailer 3$805 SGD
Retailer 21$884 SGD
Retailer 13$927 SGD
Retailer 22$1,080 SGD
Retailer 8$1,165 SGD
Retailer 2$1,226 SGD
Retailer 17$1,341 SGD
Retailer 18$1,701 SGD
Retailer 19$1,748 SGD
Retailer 5$1,765 SGD
Retailer 16$1,768 SGD
Retailer 11$1,789 SGD
Retailer 12$2,338 SGD
Retailer 10$2,550 SGD
Retailer 14$2,621 SGD
Retailer 7$2,782 SGD
Retailer 9$3,002 SGD
Retailer 4$3,117 SGD
Retailer 20$3,366 SGD
Retailer 15$3,541 SGD
Brilliant Earth$8,079 SGD

34 data points across 22 retailers

23 retailers$726 SGD to $3,522 SGD

A
Cheapest Retailer
-
$726 SGD
$568 USD
Final sale: no returns
Retailer 2
-
$805 SGD
$630 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$884 SGD
HK$5,400 HKD
View
A
Retailer 4
-
$927 SGD
$725 USD
View
B+
Retailer 5
-
$1,080 SGD
$845 USD
View
A
Retailer 6
-
$1,165 SGD
$911 USD
View
A
Retailer 7
-
$1,226 SGD
€913 EUR
View
A
Retailer 8
-
$1,341 SGD
£826 GBP
View
A
Retailer 9
-
$1,701 SGD
A$2,047 AUD
View
A
Retailer 10
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$1,748 SGD
ZAR 22,092 ZAR
View
A
Retailer 11
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$1,765 SGD
$1,381 USD
View
A
Retailer 12
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$1,768 SGD
$1,383 USD
View
A
Retailer 13
-
$1,789 SGD
$1,399 USD
View
B+
Retailer 14
-
$2,338 SGD
£1,440 GBP
View
B+
Retailer 15
-
$2,550 SGD
View
B+
Retailer 16
-
$2,621 SGD
$2,050 USD
View
B+
Retailer 17
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$2,782 SGD
$2,176 USD
View
B+
Retailer 18
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$2,829 SGD
$2,213 USD
View
B+
Retailer 19
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$3,002 SGD
$2,348 USD
View
Retailer 20
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$3,117 SGD
A$3,751 AUD
View
Price last confirmed 28 days ago
B+
Retailer 21
-
$3,366 SGD
£2,073 GBP
View
B
Retailer 22
-
$3,522 SGD
$2,755 USD
View
Most Expensive
Brilliant Earth
15621530A · Oct 10
$8,079 SGD
$6,320 USD
View
Price last confirmed 22 days ago
22 more retailers have this diamond
Prices start from $726 SGDSave up to $2,796 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
3.00ct Cushion
$726 SGD