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Radiant|Natural|GIA

0.51ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 6531903684

Certificate GIA 6531903684

Diamond specifications and retailer prices

From £485 GBP
SGD 877 SGD
As of November 5, 2026
1 retailer carries this diamond
Only listing: £485 GBP at Fonder Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Fonder Diamond

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter 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 6531903684. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.51
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.9°
OriginNatural
Grading LabGIA
CertificateGIA 6531903684
Dimensions5.58 × 4.13 × 2.73 mm
L/W Ratio1.35
Top View
5.58 mm4.13 mm0.51 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531903684
Side View
Table 68.0%CrownGirdle: STK-THKPavilion 36.9°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £485 GBP|Low: £350 GBP|High: £651 GBP|Avg: £510 GBP|+0.1%
Fonder Diamond
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
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Retailer 13
November 5, 2026
Retailer 2£350 GBP
Retailer 5£353 GBP
Retailer 4£439 GBP
Retailer 3£453 GBP
Retailer 13£459 GBP
Retailer 6£462 GBP
Fonder Diamond£485 GBP
Retailer 10£560 GBP
Retailer 11£578 GBP
Retailer 9£603 GBP
Retailer 12£612 GBP
Retailer 8£629 GBP
Retailer 7£651 GBP

5 data points across 13 retailers

1 retailer

A
Fonder Diamond
209781892 · Nov 5
£485 GBP
SGD 877 SGD
View

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
0.51ct Radiant
£485 GBP