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Radiant|Natural|GIA

0.52ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 6491823841

Certificate GIA 6491823841

Diamond specifications and retailer prices

From £363 GBP
HK$3,800 HKD
As of October 30, 2026
Save £1,062 GBP (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,425 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.52ct natural radiant diamond

This 0.52ct natural radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6491823841. Listed at 18 retailers as of October 30, 2026, with prices from £363 to £1,425, a £1,062 spread on the same certified stone. NZ Jewellers lists it at £1,425. 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

0.52
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6491823841
Dimensions5.37 × 4.20 × 2.75 mm
L/W Ratio1.28
Top View
5.37 mm4.20 mm0.52 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6491823841
Side View
Table 65.0%CrownGirdle: THN-THNPavilionCulet: NoneDepth 65.5%

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: Oct 30
Current: £559 GBP|Low: £287 GBP|High: £1,063 GBP|Avg: £582 GBP|+6.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 8£363 GBP
Retailer 11£419 GBP
Retailer 4£455 GBP
Retailer 12£463 GBP
Retailer 9£522 GBP
Retailer 3£552 GBP
Retailer 1£559 GBP
Retailer 10£597 GBP
Retailer 5£672 GBP
Retailer 2£684 GBP
Retailer 6£702 GBP
Retailer 7£1,056 GBP

45 data points across 12 retailers

18 retailers£363 GBP to £1,425 GBP

A
Cheapest Retailer
-
£363 GBP
HK$3,800 HKD
A
Retailer 2
-
£419 GBP
$562 USD
View
Final sale: no returns
A
Retailer 3
-
£455 GBP
$609 USD
View
A
Retailer 4
-
£463 GBP
$620 USD
View
A
Retailer 5
-
£473 GBP
SGD 857 SGD
View
A
Retailer 6
-
£490 GBP
$656 USD
View
A
Retailer 7
-
£490 GBP
$656 USD
View
A
Retailer 8
-
£522 GBP
$699 USD
View
A
Retailer 9
-
£525 GBP
$703 USD
View
A
Retailer 10
-
£546 GBP
$732 USD
View
A
Retailer 11
-
£552 GBP
$739 USD
View
A
Retailer 12
-
£559 GBP
View
B+
Retailer 13
-
£597 GBP
$800 USD
View
B+
Retailer 14
-
£672 GBP
€857 EUR
View
Retailer 15
-
£684 GBP
A$1,409 AUD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
£702 GBP
ZAR 15,189 ZAR
View
B
Retailer 17
-
£1,056 GBP
View
Most Expensive
B
NZ Jewellers
c87c17b0-4126-48e6-9421-d880aa840ffc · Oct 30
£1,425 GBP
$1,910 USD
View
17 more retailers have this diamond
Prices start from £363 GBPSave up to £1,062 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
0.52ct Radiant
£363 GBP