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Cushion|Natural|GIA

0.90ct H I1 Cushion Natural Diamond

ID • H/I1 • GIA 6505146273

Certificate GIA 6505146273

Diamond specifications and retailer prices

From £760 GBP
$1,018 USD
As of November 1, 2026
Save £422 GBP (36%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,182 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6505146273. Listed at 4 retailers as of October 26, 2026, with prices from £760 to £1,182, a £422 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.90
Carat
H
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6505146273
Dimensions6.08 × 5.28 × 3.48 mm
L/W Ratio1.15
Top View
6.08 mm5.28 mm0.90 ctH / I1
OriginNatural
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6505146273
Side View
Table 57.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 65.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,113 GBP|Low: £760 GBP|High: £1,182 GBP|Avg: £1,009 GBP|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Wholesale Diamonds Direct
October 31, 2026
Retailer 3£760 GBP
Retailer 2£869 GBP
Retailer 1£1,113 GBP
Retailer 4£1,133 GBP
Wholesale Diamonds Direct£1,182 GBP

15 data points across 5 retailers

4 retailers£760 GBP to £1,182 GBP

B+
Cheapest Retailer
-
£760 GBP
$1,018 USD
B
Retailer 2
-
£869 GBP
$1,164 USD
View
B
Retailer 3
-
£1,113 GBP
€1,420 EUR
View
Most Expensive
C
Wholesale Diamonds Direct
278587892 · Oct 26
£1,182 GBP
$1,584 USD
View
3 more retailers have this diamond
Prices start from £760 GBPSave up to £422 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.

B+
0.90ct Cushion
£760 GBP