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Round|Natural|GIA

1.00ct D IF Round Natural Diamond

EX • D/IF • GIA 2528600198

Certificate GIA 2528600198

Diamond specifications and retailer prices

From £1,635 GBP
As of November 1, 2026
Save £2,878 GBP (64%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £6,022 GBP at Jogia Diamonds · As of May 11, 2026
View at Jogia Diamonds

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2528600198. Listed at 26 retailers as of November 1, 2026, with a 176% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2528600198
Dimensions6.45 × 6.38 × 3.92 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.45 mm6.38 mm1.00 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2528600198
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A+
Exceptional
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: £2,985 GBP|Low: £1,635 GBP|High: £4,023 GBP|Avg: £2,453 GBP|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 5£1,710 GBP
Retailer 9£1,790 GBP
Retailer 10£1,873 GBP
Retailer 7£2,038 GBP
Retailer 3£2,240 GBP
Retailer 4£2,308 GBP
Retailer 2£2,474 GBP
Retailer 6£2,791 GBP
Retailer 1£2,985 GBP
Retailer 8£3,693 GBP

20 data points across 10 retailers

26 retailers£1,635 GBP to £4,513 GBP

A+
Cheapest Retailer
-
£1,635 GBP
A+
Retailer 2
-
£1,710 GBP
View
Retailer 3
-
£1,790 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
£1,873 GBP
View
Price last confirmed 12 days ago
Retailer 5
-
£2,038 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£2,092 GBP
View
A
Retailer 7
-
£2,111 GBP
View
A
Retailer 8
-
£2,240 GBP
View
Retailer 9
-
£2,308 GBP
View
Price last confirmed 8 days ago
Retailer 10
-
£2,308 GBP
View
Price last confirmed 17 days ago
Retailer 11
-
£2,308 GBP
View
Price last confirmed 19 days ago
A
Retailer 12
-
£2,308 GBP
View
A
Retailer 13
-
£2,398 GBP
View
A
Retailer 14
-
£2,649 GBP
View
Retailer 15
-
£2,664 GBP
View
Price last confirmed 19 days ago
A
Retailer 16
-
£2,664 GBP
View
Retailer 17
-
£2,777 GBP
View
Price last confirmed 11 days ago
A
Retailer 18
-
£2,791 GBP
View
A
Retailer 19
-
£2,805 GBP
View
A
Retailer 20
-
£2,985 GBP
View
Retailer 21
-
£3,693 GBP
View
Price last confirmed 10 days ago
A
Retailer 22
-
£4,023 GBP
View
Retailer 23
-
£4,023 GBP
View
Price last confirmed 20 days ago
A
Retailer 24
-
£4,268 GBP
View
A
Retailer 25
-
£4,513 GBP
View
Most Expensive
Jogia Diamonds
J21740810 · May 11
£6,022 GBP
A$12,470 AUD
View
Price last confirmed 178 days ago
25 more retailers have this diamond
Prices start from £1,635 GBPSave up to £2,878 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+
1.00ct Round
£1,635 GBP