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Cushion|Natural|GIA

1.02ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 6565724814

Certificate GIA 6565724814

Diamond specifications and retailer prices

From £1,228 GBP
As of November 5, 2026
Save £1,052 GBP (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,279 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 6565724814. Listed at 15 retailers as of November 5, 2026, with prices from £1,228 to £2,279, a £1,052 spread on the same certified stone. Helzberg Diamonds lists it at £2,279. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565724814
Dimensions6.46 × 5.16 × 3.50 mm
L/W Ratio1.25
Culet sizeNone
Top View
6.46 mm5.16 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565724814
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NDepth 67.8%

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 5
Current: £2,279 GBP|Low: £1,228 GBP|High: £2,279 GBP|Avg: £1,597 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 6£1,228 GBP
Retailer 9£1,250 GBP
Retailer 12£1,271 GBP
Retailer 13£1,271 GBP
Retailer 14£1,287 GBP
Retailer 5£1,384 GBP
Retailer 8£1,391 GBP
Retailer 11£1,524 GBP
Retailer 4£1,662 GBP
Retailer 7£1,785 GBP
Retailer 2£1,793 GBP
Retailer 3£1,937 GBP
Retailer 10£2,112 GBP
Helzberg Diamonds£2,279 GBP

12 data points across 14 retailers

15 retailers£1,228 GBP to £2,279 GBP

A
Cheapest Retailer
-
£1,228 GBP
A
Retailer 2
-
£1,250 GBP
View
A
Retailer 3
-
£1,271 GBP
View
A
Retailer 4
-
£1,271 GBP
View
A
Retailer 5
-
£1,285 GBP
View
A
Retailer 6
-
£1,287 GBP
View
A
Retailer 7
-
£1,384 GBP
View
A
Retailer 8
-
£1,391 GBP
View
B+
Retailer 9
-
£1,524 GBP
View
B+
Retailer 10
-
£1,662 GBP
View
B+
Retailer 11
-
£1,785 GBP
View
B+
Retailer 12
-
£1,793 GBP
View
B
Retailer 13
-
£1,937 GBP
View
B
Retailer 14
-
£2,112 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRMLMLNIKOHK · Nov 6
£2,279 GBP
$3,051 USD
View
14 more retailers have this diamond
Prices start from £1,228 GBPSave up to £1,052 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
£1,228 GBP