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Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG794658451

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG794658451

Diamond specifications and retailer prices

From £931 GBP
$1,250 USD
As of November 3, 2026
Save £1,472 GBP (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,847 GBP 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 LG794658451 or 794658451. Listed at 15 retailers as of November 3, 2026, with a 158% 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 angle39.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794658451
Dimensions11.83 × 7.96 × 5.61 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.83 mm7.96 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794658451
Side View
Table 62.0%Crown 39.4°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 70.5%

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 3
Current: £981 GBP|Low: £612 GBP|High: £2,432 GBP|Avg: £1,441 GBP|-11.0%
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 3, 2026
Retailer 12£612 GBP
Retailer 10£931 GBP
Retailer 3£936 GBP
Retailer 9£955 GBP
Retailer 1£981 GBP
Retailer 14£993 GBP
Retailer 7£1,302 GBP
Retailer 11£1,312 GBP
Retailer 4£1,401 GBP
Retailer 5£1,908 GBP
Retailer 2£2,063 GBP
Retailer 13£2,087 GBP
Retailer 6£2,110 GBP
Retailer 8£2,404 GBP

44 data points across 14 retailers

15 retailers£931 GBP to £2,404 GBP

Retailer 1
-
£612 GBP
$821 USD
Price last confirmed 17 days ago
A
Retailer 2
-
£931 GBP
$1,250 USD
View
A
Retailer 3
-
£936 GBP
$1,256 USD
View
A
Retailer 4
-
£955 GBP
€1,221 EUR
View
A
Retailer 5
-
£981 GBP
View
B+
Retailer 6
-
£993 GBP
$1,333 USD
View
A
Retailer 7
-
£1,302 GBP
ZAR 28,229 ZAR
View
A
Retailer 8
-
£1,312 GBP
A$2,708 AUD
View
A
Retailer 9
-
£1,401 GBP
$1,880 USD
View
B+
Retailer 10
-
£1,908 GBP
View
B+
Retailer 11
-
£2,063 GBP
SGD 3,741 SGD
View
B+
Retailer 12
-
£2,087 GBP
$2,801 USD
View
B+
Retailer 13
-
£2,110 GBP
$2,832 USD
View
B+
Retailer 14
-
£2,404 GBP
View
Most Expensive
Rare Carat
SAV-32-1600_l_794658451 · Oct 19
£2,847 GBP
$3,820 USD
View
Price last confirmed 15 days ago
14 more retailers have this diamond
Prices start from £931 GBPSave up to £1,472 GBP

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
£931 GBP