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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 $568 USD
As of October 28, 2026
Save $2,187 USD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,320 USD 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 28, 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
Color
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 28
Current: $6,320 USD|Low: $568 USD|High: $6,320 USD|Avg: $1,775 USD
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 6$568 USD
Retailer 3$630 USD
Retailer 20$691 USD
Retailer 17$770 USD
Retailer 22$845 USD
Retailer 8$911 USD
Retailer 13$966 USD
Retailer 2$1,046 USD
Retailer 18$1,330 USD
Retailer 16$1,367 USD
Retailer 5$1,381 USD
Retailer 11$1,399 USD
Retailer 21$1,474 USD
Retailer 12$1,829 USD
Retailer 10$1,994 USD
Retailer 14$2,050 USD
Retailer 7$2,176 USD
Retailer 9$2,348 USD
Retailer 4$2,438 USD
Retailer 19$2,633 USD
Retailer 15$2,770 USD
Brilliant Earth$6,320 USD

34 data points across 22 retailers

23 retailers$568 USD to $2,755 USD

A
Cheapest Retailer
-
$568 USD
Final sale: no returns
Retailer 2
-
$630 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$691 USD
HK$5,400 HKD
View
A
Retailer 4
-
$770 USD
View
B+
Retailer 5
-
$845 USD
View
A
Retailer 6
-
$911 USD
View
A
Retailer 7
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$966 USD
€920 EUR
View
A
Retailer 8
-
$1,046 USD
£824 GBP
View
A
Retailer 9
-
$1,330 USD
A$2,046 AUD
View
A
Retailer 10
-
$1,367 USD
ZAR 22,092 ZAR
View
A
Retailer 11
-
$1,381 USD
View
A
Retailer 12
-
$1,399 USD
View
B+
Retailer 13
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$1,474 USD
View
B+
Retailer 14
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$1,829 USD
£1,440 GBP
View
B+
Retailer 15
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$1,994 USD
SGD 2,695 SGD
View
B+
Retailer 16
-
$2,050 USD
View
B+
Retailer 17
-
$2,176 USD
View
B+
Retailer 18
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$2,213 USD
View
B+
Retailer 19
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$2,348 USD
View
Retailer 20
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$2,438 USD
A$3,751 AUD
View
Price last confirmed 24 days ago
B+
Retailer 21
-
$2,633 USD
£2,073 GBP
View
B
Retailer 22
-
$2,755 USD
View
Most Expensive
Brilliant Earth
15621530A · Oct 10
$6,320 USD
View
Price last confirmed 19 days ago
22 more retailers have this diamond
Prices start from $568 USDSave up to $2,187 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
3.00ct Cushion
$568 USD