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Cushion|Natural|GIA

0.90ct K VVS1 Cushion Natural Diamond

EX • K/VVS1 • GIA 6545914036

Certificate GIA 6545914036

Diamond specifications and retailer prices

From £859 GBP
As of November 5, 2026
Save £778 GBP (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,637 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded K colour (faint-tinted) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545914036. Listed at 6 retailers as of November 1, 2026, with prices from £859 to £1,637, a £778 spread on the same certified stone. MOH London lists it at £1,637. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.90
Carat
K
Colour
VVS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545914036
Dimensions6.32 × 4.96 × 3.36 mm
L/W Ratio1.27
Top View
6.32 mm4.96 mm0.90 ctK / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6545914036
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
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 5
Current: £1,637 GBP|Low: £859 GBP|High: £1,657 GBP|Avg: £1,169 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£859 GBP
Retailer 6£894 GBP
Retailer 3£1,003 GBP
Retailer 2£1,243 GBP
Retailer 4£1,308 GBP
MOH London£1,637 GBP

44 data points across 6 retailers

6 retailers£859 GBP to £1,637 GBP

A
Cheapest Retailer
-
£859 GBP
Retailer 2
-
£894 GBP
View
Price last confirmed 27 days ago
B+
Retailer 3
-
£1,003 GBP
View
B+
Retailer 4
-
£1,243 GBP
View
B+
Retailer 5
-
£1,308 GBP
View
Most Expensive
B
MOH London
69ECEFDF4 · Nov 1
£1,637 GBP
View
5 more retailers have this diamond
Prices start from £859 GBPSave up to £778 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
0.90ct Cushion
£859 GBP