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Cushion|Lab Grown|IGI

3.45ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG731571923

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731571923

Diamond specifications and retailer prices

From $3,244 USD
As of October 30, 2026
Save $7,006 USD (68%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $10,250 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 3.45ct lab-grown cushion diamond

This 3.45ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG731571923 or 731571923. Listed at 2 retailers as of October 24, 2026, with prices from $3,244 to $10,250, a $7,006 spread on the same certified stone. Brilliant Earth lists it at $10,250. 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

3.45
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731571923
Dimensions9.90 × 7.83 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.90 mm7.83 mm3.45 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731571923
Side View
Table 59.0%Crown 37.6°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 66.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $10,250 USD|Low: $3,244 USD|High: $21,540 USD|Avg: $7,575 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 4, 2026
Retailer 2$3,244 USD
Retailer 8$3,299 USD
Retailer 10$3,770 USD
Retailer 3$4,650 USD
Retailer 4$5,098 USD
Retailer 9$5,177 USD
Retailer 7$5,827 USD
Brilliant Earth$10,250 USD
Retailer 5$12,739 USD
Retailer 6$21,540 USD

2 data points across 10 retailers

2 retailers$3,244 USD to $10,250 USD

B+
Cheapest Retailer
-
$3,244 USD
Most Expensive
B
Brilliant Earth
18874709A · Oct 24
$10,250 USD
View
1 more retailer has this diamond
Prices start from $3,244 USDSave up to $7,006 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.

B+
3.45ct Cushion
$3,244 USD