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Cushion|Natural|GIA

1.02ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 5553515075

Certificate GIA 5553515075

Diamond specifications and retailer prices

From £1,335 GBP
HK$14,000 HKD
As of November 1, 2026
Save £2,138 GBP (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,473 GBP at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553515075. Listed at 13 retailers as of October 28, 2026, with prices from £1,335 to £3,473, a £2,138 spread on the same certified stone. Queensmith lists it at £3,473. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553515075
Dimensions7.13 × 5.23 × 3.53 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Indented Natural
Top View
7.13 mm5.23 mm1.02 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553515075
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 67.5%

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 1
Current: £3,473 GBP|Low: £1,316 GBP|High: £3,487 GBP|Avg: £2,059 GBP|+2.8%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6£1,335 GBP
Retailer 2£1,345 GBP
Retailer 9£1,617 GBP
Retailer 8£1,653 GBP
Retailer 3£1,770 GBP
Retailer 4£1,913 GBP
Retailer 7£2,235 GBP
Retailer 5£3,137 GBP
Queensmith£3,473 GBP

27 data points across 9 retailers

13 retailers£1,335 GBP to £3,473 GBP

A
Cheapest Retailer
-
£1,335 GBP
HK$14,000 HKD
A
Retailer 2
-
£1,345 GBP
₹171,920 INR
View
A
Retailer 3
-
£1,570 GBP
$2,107 USD
View
B+
Retailer 4
-
£1,617 GBP
$2,170 USD
View
B+
Retailer 5
-
£1,653 GBP
$2,218 USD
View
Final sale: no returns
B+
Retailer 6
-
£1,654 GBP
$2,220 USD
View
B+
Retailer 7
-
£1,770 GBP
View
B+
Retailer 8
-
£1,852 GBP
SGD 3,358 SGD
View
B+
Retailer 9
-
£1,895 GBP
$2,543 USD
View
B+
Retailer 10
-
£1,913 GBP
View
B+
Retailer 11
-
£2,235 GBP
€2,857 EUR
View
B
Retailer 12
-
£3,137 GBP
View
Most Expensive
B
Queensmith
5553515075 · Oct 28
£3,473 GBP
View
12 more retailers have this diamond
Prices start from £1,335 GBPSave up to £2,138 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
£1,335 GBP