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Round|Natural|GIA

3.00ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 5436321245

Certificate GIA 5436321245

Diamond specifications and retailer prices

From £21,970 GBP
As of November 1, 2026
Save £17,894 GBP (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £39,864 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 5436321245. Listed at 15 retailers as of November 1, 2026, with prices from £21,970 to £39,864, a £17,894 spread on the same certified stone. Diamond Quarter lists it at £39,864. 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 angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5436321245
Dimensions9.26 × 9.21 × 5.65 mm
L/W Ratio1.01
Top View
9.26 mm9.21 mm3.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5436321245
Side View
Table 61.0%Crown 33.5°Girdle: STK-STKPavilion 41.6°Culet: NoneDepth 61.4%

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 1
Current: £23,314 GBP|Low: £21,970 GBP|High: £30,539 GBP|Avg: £25,964 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£21,970 GBP
Retailer 1£23,314 GBP
Retailer 7£24,629 GBP
Retailer 3£25,138 GBP
Retailer 6£26,859 GBP
Retailer 4£27,376 GBP
Retailer 8£27,758 GBP
Retailer 2£30,376 GBP

41 data points across 8 retailers

15 retailers£21,970 GBP to £39,864 GBP

A
Cheapest Retailer
-
£21,970 GBP
B+
Retailer 2
-
£23,314 GBP
View
B+
Retailer 3
-
£23,720 GBP
View
B+
Retailer 4
-
£24,121 GBP
View
B+
Retailer 5
-
£24,427 GBP
View
B+
Retailer 6
-
£24,629 GBP
View
B+
Retailer 7
-
£25,138 GBP
View
B
Retailer 8
-
£26,404 GBP
View
B
Retailer 9
-
£26,859 GBP
View
B
Retailer 10
-
£26,859 GBP
View
B
Retailer 11
-
£27,376 GBP
View
B
Retailer 12
-
£27,758 GBP
View
B+
Retailer 13
-
£30,376 GBP
View
B
Retailer 14
-
£30,543 GBP
View
Most Expensive
B
Diamond Quarter
3.0SI2H54452D7AN · Nov 5
£39,864 GBP
View
14 more retailers have this diamond
Prices start from £21,970 GBPSave up to £17,894 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
£21,970 GBP