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Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG779638251

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG779638251

Diamond specifications and retailer prices

From $906 SGD
£557 GBP
As of November 2, 2026
Save $3,510 SGD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,875 SGD 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 LG779638251 or 779638251. Listed at 18 retailers as of October 31, 2026, with a 388% 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
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779638251
Dimensions9.99 × 9.19 × 5.61 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.99 mm9.19 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779638251
Side View
Table 66.0%Crown 33.5°Girdle: STK-THKPavilion 33.2°Culet: NoneDepth 61.0%

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: $1,625 SGD|Low: $905 SGD|High: $4,470 SGD|Avg: $2,267 SGD|+0.3%
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
November 3, 2026
Retailer 7$906 SGD
Retailer 5$979 SGD
Retailer 2$1,015 SGD
Retailer 12$1,243 SGD
Retailer 13$1,450 SGD
Retailer 1$1,625 SGD
Retailer 9$1,643 SGD
Retailer 6$2,159 SGD
Retailer 11$2,174 SGD
Retailer 3$3,340 SGD
Retailer 4$3,461 SGD
Retailer 8$4,274 SGD
Retailer 10$4,415 SGD

36 data points across 13 retailers

18 retailers$906 SGD to $4,415 SGD

A
Cheapest Retailer
-
$906 SGD
£557 GBP
A
Retailer 2
-
$979 SGD
$764 USD
View
Final sale: no returns
Retailer 3
-
$1,015 SGD
$792 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$1,243 SGD
$970 USD
View
B+
Retailer 5
-
$1,450 SGD
$1,132 USD
View
A
Retailer 6
-
$1,575 SGD
$1,229 USD
View
A
Retailer 7
-
$1,625 SGD
£999 GBP
View
A
Retailer 8
-
$1,643 SGD
€1,221 EUR
View
A
Retailer 9
-
$2,159 SGD
ZAR 27,224 ZAR
View
A
Retailer 10
-
$2,174 SGD
A$2,611 AUD
View
A
Retailer 11
-
$2,397 SGD
$1,871 USD
View
B+
Retailer 12
-
$3,163 SGD
£1,944 GBP
View
B+
Retailer 13
-
$3,340 SGD
$2,607 USD
View
B+
Retailer 14
-
$3,461 SGD
$2,701 USD
View
B+
Retailer 15
-
$3,500 SGD
$2,732 USD
View
B+
Retailer 16
-
$4,274 SGD
£2,627 GBP
View
B+
Retailer 17
-
$4,415 SGD
A$5,302 AUD
View
Most Expensive
Rare Carat
HS-61-53A_l_779638251 · Oct 19
$4,875 SGD
$3,805 USD
View
Price last confirmed 15 days ago
17 more retailers have this diamond
Prices start from $906 SGDSave up to $3,510 SGD

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
$906 SGD