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Radiant|Natural|GIA

3.51ct H SI2 Radiant Natural Diamond

GD • H/SI2 • GIA 1499914670

Certificate GIA 1499914670

Diamond specifications and retailer prices

From £25,801 GBP
A$53,186 AUD
As of October 31, 2026
Save £3,526 GBP (12%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £29,327 GBP at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 3.51ct natural radiant diamond

This 3.51ct natural radiant sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1499914670. Listed at 3 retailers as of October 31, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.51
Carat
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1499914670
Dimensions9.63 × 7.63 × 5.32 mm
L/W Ratio1.26
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud
Top View
9.63 mm7.63 mm3.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1499914670
Side View
Table 68.0%CrownGirdle: SLI-POLPavilionCulet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £29,327 GBP|Low: £25,037 GBP|High: £30,862 GBP|Avg: £27,467 GBP|+0.6%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2£25,037 GBP
Retailer 3£25,674 GBP
Retailer 5£26,156 GBP
77 Diamonds£29,327 GBP
Retailer 4£30,862 GBP

37 data points across 5 retailers

3 retailers£25,801 GBP to £29,327 GBP

Retailer 1
-
£25,037 GBP
$33,547 USD
Price last confirmed 62 days ago
B+
Retailer 2
-
£25,801 GBP
A$53,186 AUD
View
Most Expensive
B
77 Diamonds
RADZDW6SPKJM · Nov 1
£29,327 GBP
View
2 more retailers have this diamond
Prices start from £25,801 GBPSave up to £3,526 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.

B+
3.51ct Radiant
£25,801 GBP