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Radiant|Natural|GIA

0.46ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 5221800129

Certificate GIA 5221800129

Diamond specifications and retailer prices

From £435 GBP
$584 USD
As of November 2, 2026
Save £381 GBP (47%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £816 GBP at Cape Diamonds · As of October 30, 2026
View at Cape Diamonds

About this 0.46ct natural radiant diamond

This 0.46ct natural radiant sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5221800129. Listed at 5 retailers as of October 30, 2026, with prices from £435 to £816, a £381 spread on the same certified stone. Cape Diamonds lists it at £816. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5221800129
Dimensions4.53 × 3.94 × 3.09 mm
L/W Ratio1.15
Top View
4.53 mm3.94 mm0.46 ctG / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 5221800129
Side View
Table 66.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 78.4%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £816 GBP|Low: £435 GBP|High: £818 GBP|Avg: £592 GBP|+2.6%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 3, 2026
Retailer 5£435 GBP
Retailer 3£443 GBP
Retailer 4£490 GBP
Retailer 2£778 GBP
Cape Diamonds£816 GBP

38 data points across 5 retailers

5 retailers£435 GBP to £816 GBP

B+
Cheapest Retailer
-
£435 GBP
$584 USD
B+
Retailer 2
-
£443 GBP
$595 USD
View
B+
Retailer 3
-
£490 GBP
$657 USD
View
B
Retailer 4
-
£778 GBP
View
Most Expensive
B
Cape Diamonds
cert_5221800129 · Oct 30
£816 GBP
ZAR 17,694 ZAR
View
4 more retailers have this diamond
Prices start from £435 GBPSave up to £381 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+
0.46ct Radiant
£435 GBP