Cushion|Lab Grown|IGI

5.10ct H VVS1 Cushion Lab Grown Diamond

EX • H/VVS1 • IGI LG839641358

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839641358

Diamond specifications and retailer prices

From £563 GBP
$754 USD
As of October 31, 2026
Save £399 GBP (41%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,090 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 5.1ct lab-grown cushion diamond

This 5.1ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839641358 or 839641358. Listed at 3 retailers as of October 31, 2026, with a 71% 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

5.10
Carat
H
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839641358
Dimensions11.61 × 9.09 × 6.08 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.61 mm9.09 mm5.10 ctH / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839641358
Side View
Table 62.0%Crown 37.1°Girdle: MED-STKPavilion 35.8°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: Oct 31
Current: £4,090 GBP|Low: £563 GBP|High: £4,112 GBP|Avg: £2,109 GBP|-0.5%
Rare Carat
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£563 GBP
Retailer 2£962 GBP
Rare Carat£4,090 GBP

27 data points across 3 retailers

3 retailers£563 GBP to £962 GBP

A
Cheapest Retailer
-
£563 GBP
$754 USD
Final sale: no returns
A
Retailer 2
-
£962 GBP
View
Most Expensive
Rare Carat
839641358 · Oct 21
£4,090 GBP
$5,480 USD
View
Price last confirmed 10 days ago
2 more retailers have this diamond
Prices start from £563 GBPSave up to £399 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
5.10ct Cushion
£563 GBP