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Cushion|Natural|GIA

1.02ct H SI1 Cushion Natural Diamond

ID • H/SI1 • GIA 3505244588

Certificate GIA 3505244588

Diamond specifications and retailer prices

From £1,150 GBP
As of November 2, 2026
Save £917 GBP (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,067 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3505244588. Listed at 7 retailers as of November 1, 2026, with prices from £1,150 to £2,067, a £917 spread on the same certified stone. MOH London lists it at £2,067. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.04°
Pavilion angle31.02°
OriginNatural
Grading LabGIA
CertificateGIA 3505244588
Dimensions5.92 × 5.53 × 3.50 mm
L/W Ratio1.07
Top View
5.92 mm5.53 mm1.02 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3505244588
Side View
Table 64.0%Crown 37.04°Girdle: Slightly ThickPavilion 31.02°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,067 GBP|Low: £1,150 GBP|High: £2,130 GBP|Avg: £1,481 GBP|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2£1,150 GBP
Retailer 4£1,209 GBP
Retailer 5£1,240 GBP
Retailer 6£1,272 GBP
Retailer 9£1,401 GBP
Retailer 10£1,473 GBP
Retailer 3£1,479 GBP
Retailer 8£1,502 GBP
Retailer 7£1,567 GBP
MOH London£2,067 GBP

29 data points across 10 retailers

7 retailers£1,150 GBP to £2,067 GBP

A
Cheapest Retailer
-
£1,150 GBP
A
Retailer 2
-
£1,209 GBP
View
A
Retailer 3
-
£1,240 GBP
View
A
Retailer 4
-
£1,272 GBP
View
A
Retailer 5
-
£1,479 GBP
View
Retailer 6
-
£1,567 GBP
View
Price last confirmed 33 days ago
Most Expensive
B+
MOH London
EFF6B586B · Nov 1
£2,067 GBP
View
6 more retailers have this diamond
Prices start from £1,150 GBPSave up to £917 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
1.02ct Cushion
£1,150 GBP