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Round|Natural|GIA

1.02ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5496841494

Certificate GIA 5496841494

Diamond specifications and retailer prices

From £1,702 GBP
As of November 6, 2026
Save £2,440 GBP (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,142 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5496841494. Listed at 21 retailers as of November 5, 2026, with prices from £1,702 to £4,142, a £2,440 spread on the same certified stone. Diamond Quarter lists it at £4,142. 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

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5496841494
Dimensions6.44 × 6.41 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.44 mm6.41 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5496841494
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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 6
Current: £2,179 GBP|Low: £1,683 GBP|High: £3,855 GBP|Avg: £2,316 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10£1,702 GBP
Retailer 8£1,798 GBP
Retailer 11£1,848 GBP
Retailer 12£1,904 GBP
Retailer 2£2,025 GBP
Retailer 4£2,143 GBP
Retailer 1£2,179 GBP
Retailer 5£2,340 GBP
Retailer 9£2,410 GBP
Retailer 3£2,433 GBP
Retailer 6£2,780 GBP
Retailer 7£3,799 GBP

41 data points across 12 retailers

21 retailers£1,702 GBP to £4,142 GBP

A
Cheapest Retailer
-
£1,702 GBP
A
Retailer 2
-
£1,798 GBP
View
B+
Retailer 3
-
£1,848 GBP
View
B+
Retailer 4
-
£1,904 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,025 GBP
View
Retailer 6
-
£2,063 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£2,063 GBP
View
B+
Retailer 8
-
£2,143 GBP
View
B+
Retailer 9
-
£2,179 GBP
View
B+
Retailer 10
-
£2,340 GBP
View
B
Retailer 11
-
£2,355 GBP
View
B
Retailer 12
-
£2,355 GBP
View
B
Retailer 13
-
£2,381 GBP
View
B+
Retailer 14
-
£2,410 GBP
View
B
Retailer 15
-
£2,430 GBP
View
Retailer 16
-
£2,433 GBP
View
Price last confirmed 30 days ago
Retailer 17
-
£2,644 GBP
View
Price last confirmed 14 days ago
B
Retailer 18
-
£2,780 GBP
View
B
Retailer 19
-
£3,799 GBP
View
B
Retailer 20
-
£3,968 GBP
View
Most Expensive
B
Diamond Quarter
1.02SI1H54948814N · Nov 5
£4,142 GBP
View
20 more retailers have this diamond
Prices start from £1,702 GBPSave up to £2,440 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 Round
£1,702 GBP