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Radiant|Natural|GIA

3.50ct H SI2 Radiant Natural Diamond

EX • H/SI2

Diamond specifications and retailer prices

From £25,330 GBP
$33,939 USD
As of October 31, 2026
Save £8,425 GBP (25%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £33,754 GBP at Moon Ocean · As of November 1, 2026
View at Moon Ocean

About this 3.5ct natural radiant diamond

This 3.5ct natural radiant sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 11 retailers as of October 31, 2026, with prices from £25,330 to £33,754, a £8,425 spread on the same certified stone. Moon Ocean lists it at £33,754. 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

3.50
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions9.76 × 7.58 × 5.02 mm
L/W Ratio1.29
Top View
9.76 mm7.58 mm3.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.2%

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: Oct 31
Current: £33,754 GBP|Low: £24,363 GBP|High: £34,478 GBP|Avg: £29,957 GBP|+4.4%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£25,330 GBP
Retailer 2£27,552 GBP
Retailer 4£28,549 GBP
Retailer 3£28,690 GBP
Retailer 5£29,738 GBP
Retailer 10£29,738 GBP
Retailer 8£30,898 GBP
Retailer 6£30,928 GBP
Retailer 11£32,118 GBP
Retailer 9£33,275 GBP
Moon Ocean£33,754 GBP

32 data points across 11 retailers

11 retailers£25,330 GBP to £33,754 GBP

A
Cheapest Retailer
-
£25,330 GBP
$33,939 USD
B+
Retailer 2
-
£27,552 GBP
CA$51,272 CAD
View
B+
Retailer 3
-
£28,549 GBP
$38,252 USD
View
B+
Retailer 4
-
£28,690 GBP
$38,442 USD
View
B+
Retailer 5
-
£29,738 GBP
$39,846 USD
View
B+
Retailer 6
-
£29,738 GBP
$39,846 USD
View
B
Retailer 7
-
£30,898 GBP
$41,400 USD
View
B+
Retailer 8
-
£30,928 GBP
$41,440 USD
View
B
Retailer 9
-
£32,118 GBP
$43,034 USD
View
B
Retailer 10
-
£33,275 GBP
$44,585 USD
View
Most Expensive
B
Moon Ocean
NVN-B501CB220-264 · Nov 1
£33,754 GBP
View
10 more retailers have this diamond
Prices start from £25,330 GBPSave up to £8,425 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
3.50ct Radiant
£25,330 GBP