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Round|Natural|GIA

3.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2557704080

Certificate GIA 2557704080

Diamond specifications and retailer prices

From £20,133 GBP
As of November 6, 2026
Save £17,042 GBP (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £37,175 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557704080. Listed at 15 retailers as of November 4, 2026, with prices from £20,133 to £37,175, a £17,042 spread on the same certified stone. MOH London lists it at £37,175. 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

3.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2557704080
Dimensions9.13 × 9.17 × 5.71 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
9.13 mm9.17 mm3.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557704080
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.4%

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: £37,175 GBP|Low: £20,133 GBP|High: £37,724 GBP|Avg: £26,492 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3£20,133 GBP
Retailer 9£21,878 GBP
Retailer 4£23,616 GBP
Retailer 6£24,927 GBP
Retailer 8£24,927 GBP
Retailer 10£25,060 GBP
Retailer 7£25,759 GBP
Retailer 11£26,850 GBP
Retailer 5£27,021 GBP
Retailer 2£30,137 GBP
MOH London£37,175 GBP

42 data points across 11 retailers

15 retailers£20,133 GBP to £37,175 GBP

A
Cheapest Retailer
-
£20,133 GBP
B+
Retailer 2
-
£21,729 GBP
View
B+
Retailer 3
-
£21,878 GBP
View
Final sale: no returns
B+
Retailer 4
-
£23,616 GBP
View
Retailer 5
-
£23,867 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£24,861 GBP
View
B+
Retailer 7
-
£24,927 GBP
View
B+
Retailer 8
-
£24,927 GBP
View
B+
Retailer 9
-
£25,060 GBP
View
B+
Retailer 10
-
£25,759 GBP
View
B+
Retailer 11
-
£25,856 GBP
View
B
Retailer 12
-
£26,850 GBP
View
B
Retailer 13
-
£27,021 GBP
View
B+
Retailer 14
-
£30,137 GBP
View
Most Expensive
B
MOH London
6C89D9C36 · Nov 4
£37,175 GBP
View
14 more retailers have this diamond
Prices start from £20,133 GBPSave up to £17,042 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
3.00ct Round
£20,133 GBP