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Cushion|Lab Grown|IGI

6.34ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1

Diamond specifications and retailer prices

From £1,819 GBP
As of October 30, 2026
Save £1,126 GBP (38%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,946 GBP at MoiMoi Australia · As of October 27, 2026
View at MoiMoi Australia

About this 6.34ct lab-grown cushion diamond

This 6.34ct 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. Listed at 2 retailers as of October 27, 2026, with prices from £1,819 to £2,946, a £1,126 spread on the same certified stone. MoiMoi Australia lists it at £2,946. 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

6.34
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.38 × 10.07 × 6.67 mm
L/W Ratio1.03
Top View
10.38 mm10.07 mm6.34 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £2,946 GBP|Low: £1,118 GBP|High: £2,990 GBP|Avg: £1,967 GBP|+1.2%
MoiMoi Australia
Retailer 2
Retailer 3
October 30, 2026
Retailer 3£1,118 GBP
Retailer 2£1,819 GBP
MoiMoi Australia£2,946 GBP

39 data points across 3 retailers

2 retailers£1,819 GBP to £2,946 GBP

A
Cheapest Retailer
-
£1,819 GBP
Most Expensive
B
MoiMoi Australia
374115796 · Oct 27
£2,946 GBP
A$6,072 AUD
View
1 more retailer has this diamond
Prices start from £1,819 GBPSave up to £1,126 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
6.34ct Cushion
£1,819 GBP