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Radiant|Natural|GIA

0.51ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2141792513

Certificate GIA 2141792513

Diamond specifications and retailer prices

From £470 GBP
$630 USD
As of November 1, 2026
Save £257 GBP (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £727 GBP at Yorxs · As of October 31, 2026
View at Yorxs

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded I 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 2141792513. Listed at 3 retailers as of October 31, 2026, with prices from £470 to £727, a £257 spread on the same certified stone. Yorxs lists it at £727. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2141792513
Dimensions5.59 × 3.65 × 3.04 mm
L/W Ratio1.53
Culet sizeNone
Top View
5.59 mm3.65 mm0.51 ctI / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2141792513
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 83.3%

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: Nov 1
Current: £470 GBP|Low: £465 GBP|High: £727 GBP|Avg: £583 GBP|+1.1%
Retailer 1
Retailer 2
Yorxs
October 31, 2026
Retailer 1£470 GBP
Retailer 2£558 GBP
Yorxs£727 GBP

8 data points across 3 retailers

3 retailers£470 GBP to £727 GBP

B+
Cheapest Retailer
-
£470 GBP
$630 USD
B
Retailer 2
-
£558 GBP
$748 USD
View
Most Expensive
B
Yorxs
AE3DBEBE6 · Oct 31
£727 GBP
€928 EUR
View
2 more retailers have this diamond
Prices start from £470 GBPSave up to £257 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+
0.51ct Radiant
£470 GBP