CaratHunter
Plans
Round|Natural|GIA

1.03ct H IF Round Natural Diamond

EX • H/IF • GIA 2508286336

Certificate GIA 2508286336

Diamond specifications and retailer prices

From £2,786 GBP
As of November 4, 2026
Save £3,443 GBP (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £6,229 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2508286336. Listed at 19 retailers as of November 4, 2026, with prices from £2,786 to £6,229, a £3,443 spread on the same certified stone. Diamond Quarter lists it at £6,229. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2508286336
Dimensions6.41 × 6.44 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.41 mm6.44 mm1.03 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2508286336
Side View
Table 58.0%Crown 36°Girdle: Sli. ThickPavilion 40.8°Culet: NoneDepth 62.5%

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 4
Current: £3,831 GBP|Low: £2,758 GBP|High: £5,997 GBP|Avg: £3,584 GBP|-1.1%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 3£2,786 GBP
Retailer 7£3,002 GBP
Retailer 15£3,077 GBP
Retailer 8£3,178 GBP
Retailer 10£3,236 GBP
Retailer 5£3,254 GBP
Retailer 13£3,367 GBP
Retailer 4£3,442 GBP
Retailer 17£3,442 GBP
Retailer 19£3,442 GBP
Retailer 11£3,529 GBP
Retailer 6£3,554 GBP
Retailer 1£3,831 GBP
Retailer 12£3,865 GBP
Retailer 18£3,972 GBP
Retailer 9£3,997 GBP
Retailer 2£4,231 GBP
Retailer 14£5,468 GBP
Retailer 16£5,997 GBP

28 data points across 19 retailers

19 retailers£2,786 GBP to £6,229 GBP

A
Cheapest Retailer
-
£2,786 GBP
A
Retailer 2
-
£3,002 GBP
View
A
Retailer 3
-
£3,077 GBP
View
B+
Retailer 4
-
£3,178 GBP
View
Final sale: no returns
B+
Retailer 5
-
£3,254 GBP
View
B+
Retailer 6
-
£3,367 GBP
View
B+
Retailer 7
-
£3,442 GBP
View
Retailer 8
-
£3,442 GBP
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£3,442 GBP
View
B+
Retailer 10
-
£3,529 GBP
View
B+
Retailer 11
-
£3,554 GBP
View
B+
Retailer 12
-
£3,831 GBP
View
B+
Retailer 13
-
£3,865 GBP
View
B+
Retailer 14
-
£3,972 GBP
View
B+
Retailer 15
-
£3,997 GBP
View
B+
Retailer 16
-
£4,231 GBP
View
B
Retailer 17
-
£5,468 GBP
View
B
Retailer 18
-
£5,997 GBP
View
Most Expensive
B
Diamond Quarter
1.03IFH253679A6N · Nov 5
£6,229 GBP
View
18 more retailers have this diamond
Prices start from £2,786 GBPSave up to £3,443 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
1.03ct Round
£2,786 GBP