Cushion|Lab Grown|IGI

3.51ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG727580837

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

Certificate IGI LG727580837

Diamond specifications and retailer prices

From $832 USD
As of November 1, 2026
Save $2,993 USD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,825 USD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.51ct lab-grown cushion diamond

This 3.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG727580837 or 727580837. Listed at 16 retailers as of November 1, 2026, with prices from $832 to $3,825, a $2,993 spread on the same certified stone. Rare Carat lists it at $3,825. 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

3.51
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727580837
Dimensions8.62 × 8.55 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.62 mm8.55 mm3.51 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727580837
Side View
Table 62.0%Crown 35.2°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,384 USD|Low: $832 USD|High: $3,426 USD|Avg: $1,854 USD|-0.5%
Retailer 1
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
November 3, 2026
Retailer 4$832 USD
Retailer 2$862 USD
Retailer 9$1,000 USD
Retailer 15$1,255 USD
Retailer 1$1,384 USD
Retailer 3$1,397 USD
Retailer 13$1,400 USD
Retailer 11$1,419 USD
Retailer 12$1,947 USD
Retailer 8$2,004 USD
Retailer 14$2,248 USD
Retailer 6$2,682 USD
Retailer 5$2,927 USD
Retailer 7$2,973 USD
Retailer 10$3,386 USD

33 data points across 15 retailers

16 retailers$832 USD to $3,825 USD

A
Cheapest Retailer
-
$832 USD
Final sale: no returns
Retailer 2
-
$862 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,000 USD
£787 GBP
View
A
Retailer 4
-
$1,255 USD
View
A
Retailer 5
-
$1,384 USD
£1,090 GBP
View
A
Retailer 6
-
$1,397 USD
View
A
Retailer 7
-
$1,400 USD
View
A
Retailer 8
-
$1,419 USD
€1,351 EUR
View
B+
Retailer 9
-
$1,947 USD
A$2,995 AUD
View
B+
Retailer 10
-
$2,004 USD
ZAR 32,367 ZAR
View
B+
Retailer 11
-
$2,248 USD
View
B+
Retailer 12
-
$2,682 USD
£2,112 GBP
View
B
Retailer 13
-
$2,927 USD
View
B
Retailer 14
-
$2,973 USD
View
B
Retailer 15
-
$3,386 USD
£2,666 GBP
View
Most Expensive
B
Rare Carat
M6-31p1_l_727580837 · Nov 1
$3,825 USD
View
15 more retailers have this diamond
Prices start from $832 USDSave up to $2,993 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
3.51ct Cushion
$832 USD