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Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG843672261

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843672261

Diamond specifications and retailer prices

From $811 USD
£639 GBP
As of November 2, 2026
Save $6,209 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,020 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 LG843672261 or 843672261. Listed at 19 retailers as of November 2, 2026, with prices from $811 to $7,020, a $6,209 spread on the same certified stone. Brilliant Earth lists it at $7,020. 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 angle37.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843672261
Dimensions11.72 × 8.09 × 5.52 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm8.09 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843672261
Side View
Table 63.0%Crown 37.9°Girdle: STK-VTKPavilion 38.3°Culet: NoneDepth 68.2%

Caratlytics Score

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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 2
Current: $7,020 USD|Low: $811 USD|High: $7,020 USD|Avg: $2,472 USD
Brilliant Earth
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
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Retailer 17
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Retailer 19
November 3, 2026
Retailer 13$811 USD
Retailer 19$1,062 USD
Retailer 7$1,085 USD
Retailer 5$1,264 USD
Retailer 6$1,302 USD
Retailer 15$1,379 USD
Retailer 14$1,382 USD
Retailer 8$1,905 USD
Retailer 2$1,936 USD
Retailer 17$1,947 USD
Retailer 12$1,988 USD
Retailer 18$2,899 USD
Retailer 9$3,059 USD
Retailer 11$3,141 USD
Retailer 10$3,253 USD
Retailer 4$3,425 USD
Retailer 16$3,461 USD
Retailer 3$3,830 USD
Brilliant Earth$7,020 USD

30 data points across 19 retailers

19 retailers$811 USD to $7,020 USD

A
Cheapest Retailer
-
$811 USD
£639 GBP
A
Retailer 2
-
$1,062 USD
HK$8,300 HKD
View
A
Retailer 3
-
$1,085 USD
View
A
Retailer 4
-
$1,264 USD
View
B+
Retailer 5
-
$1,302 USD
View
A
Retailer 6
-
$1,379 USD
€1,313 EUR
View
A
Retailer 7
-
$1,382 USD
£1,088 GBP
View
A
Retailer 8
-
$1,905 USD
View
A
Retailer 9
-
$1,936 USD
ZAR 31,283 ZAR
View
A
Retailer 10
-
$1,947 USD
A$2,996 AUD
View
A
Retailer 11
-
$1,988 USD
View
B+
Retailer 12
-
$2,899 USD
View
B+
Retailer 13
-
$3,059 USD
SGD 4,134 SGD
View
B+
Retailer 14
-
$3,141 USD
View
B+
Retailer 15
-
$3,253 USD
View
B+
Retailer 16
-
$3,425 USD
£2,697 GBP
View
B+
Retailer 17
-
$3,461 USD
A$5,324 AUD
View
Retailer 18
-
$3,830 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
21702797A · Nov 2
$7,020 USD
View
18 more retailers have this diamond
Prices start from $811 USDSave up to $6,209 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
$811 USD