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Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG792670672

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG792670672

Diamond specifications and retailer prices

From $755 USD
As of November 1, 2026
Save $2,560 USD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,820 USD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG792670672 or 792670672. Listed at 15 retailers as of October 29, 2026, with a 339% 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

4.51
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle29.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792670672
Dimensions11.56 × 8.14 × 5.61 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.56 mm8.14 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792670672
Side View
Table 54.0%Crown 34.7°Girdle: MED-THKPavilion 29.5°Culet: NoneDepth 68.9%

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: Nov 1
Current: $1,665 USD|Low: $755 USD|High: $3,315 USD|Avg: $1,715 USD|-2.7%
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
November 2, 2026
Retailer 3$755 USD
Retailer 6$822 USD
Retailer 8$960 USD
Retailer 12$1,145 USD
Retailer 7$1,253 USD
Retailer 11$1,275 USD
Retailer 1$1,665 USD
Retailer 9$1,677 USD
Retailer 14$1,868 USD
Retailer 2$2,438 USD
Retailer 4$2,582 USD
Retailer 5$2,669 USD
Retailer 13$2,699 USD
Retailer 10$3,315 USD

43 data points across 14 retailers

15 retailers$755 USD to $3,315 USD

A
Cheapest Retailer
-
$755 USD
Final sale: no returns
Retailer 2
-
$822 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$960 USD
View
A
Retailer 4
-
$1,145 USD
View
A
Retailer 5
-
$1,253 USD
£986 GBP
View
B+
Retailer 6
-
$1,275 USD
View
A
Retailer 7
-
$1,665 USD
ZAR 26,899 ZAR
View
A
Retailer 8
-
$1,677 USD
A$2,580 AUD
View
A
Retailer 9
-
$1,868 USD
View
B+
Retailer 10
-
$2,438 USD
£1,920 GBP
View
B+
Retailer 11
-
$2,582 USD
View
B+
Retailer 12
-
$2,669 USD
View
B+
Retailer 13
-
$2,699 USD
View
B+
Retailer 14
-
$3,315 USD
£2,610 GBP
View
Most Expensive
Rare Carat
386-4-B_l_792670672 · Oct 19
$3,820 USD
View
Price last confirmed 14 days ago
14 more retailers have this diamond
Prices start from $755 USDSave up to $2,560 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
4.51ct Cushion
$755 USD