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Round|Natural|GIA

0.46ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2517621677

Certificate GIA 2517621677

Diamond specifications and retailer prices

From £166 GBP
As of November 6, 2026
Save £710 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,061 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 0.46ct natural round diamond

This 0.46ct natural round sits in the sub-half-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2517621677. Listed at 17 retailers as of November 4, 2026, with a 429% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.46
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2517621677
Dimensions4.93 × 4.90 × 3.11 mm
L/W Ratio1.01
Key to symbols
Feather, Crystal
Top View
4.93 mm4.90 mm0.46 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2517621677
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NDepth 63.2%

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: Nov 6
Current: £876 GBP|Low: £166 GBP|High: £946 GBP|Avg: £346 GBP|-7.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2£166 GBP
Retailer 4£199 GBP
Retailer 12£229 GBP
Retailer 6£249 GBP
Retailer 5£256 GBP
Retailer 10£264 GBP
Retailer 11£270 GBP
Retailer 9£288 GBP
Retailer 13£308 GBP
Retailer 8£311 GBP
Retailer 7£392 GBP
Retailer 3£531 GBP
NZ Jewellers£876 GBP

22 data points across 13 retailers

17 retailers£166 GBP to £876 GBP

A
Cheapest Retailer
-
£166 GBP
A
Retailer 2
-
£199 GBP
View
A
Retailer 3
-
£229 GBP
View
A
Retailer 4
-
£249 GBP
View
Retailer 5
-
£256 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£264 GBP
View
A
Retailer 7
-
£270 GBP
View
Retailer 8
-
£277 GBP
View
Price last confirmed 40 days ago
A
Retailer 9
-
£288 GBP
View
Retailer 10
-
£305 GBP
View
Price last confirmed 38 days ago
A
Retailer 11
-
£308 GBP
View
A
Retailer 12
-
£311 GBP
View
Retailer 13
-
£369 GBP
View
Price last confirmed 38 days ago
A
Retailer 14
-
£392 GBP
View
B+
Retailer 15
-
£531 GBP
View
B
Retailer 16
-
£876 GBP
View
Most Expensive
NZ Jewellers
9517c88d-4200-405a-9de1-40a206a36754 · Sep 28
£1,061 GBP
$1,428 USD
View
Price last confirmed 39 days ago
16 more retailers have this diamond
Prices start from £166 GBPSave up to £710 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
0.46ct Round
£166 GBP