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Cushion|Lab Grown|IGI

6.08ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG839654138

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839654138

Diamond specifications and retailer prices

From £1,373 GBP
$1,840 USD
As of October 31, 2026
Save £460 GBP (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,308 GBP at Brilliance · As of October 21, 2026
View at Brilliance

About this 6.08ct lab-grown cushion diamond

This 6.08ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839654138 or 839654138. Listed at 3 retailers as of October 26, 2026, with a 34% 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

6.08
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839654138
Dimensions13.03 × 9.41 × 6.37 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.03 mm9.41 mm6.08 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839654138
Side View
Table 58.0%Crown 34.8°Girdle: MED-THKPavilion 35.7°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £3,308 GBP|Low: £1,350 GBP|High: £3,308 GBP|Avg: £2,065 GBP
Brilliance
Retailer 2
Retailer 3
Retailer 4
October 27, 2026
Retailer 2£1,373 GBP
Retailer 4£1,716 GBP
Retailer 3£1,834 GBP
Brilliance£3,308 GBP

7 data points across 4 retailers

3 retailers£1,373 GBP to £1,834 GBP

A
Cheapest Retailer
-
£1,373 GBP
$1,840 USD
Final sale: no returns
A
Retailer 2
-
£1,834 GBP
$2,457 USD
View
Most Expensive
Brilliance
D46044477 · Oct 21
£3,308 GBP
$4,433 USD
View
Price last confirmed 10 days ago
2 more retailers have this diamond
Prices start from £1,373 GBPSave up to £460 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
6.08ct Cushion
£1,373 GBP