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Radiant|Natural|GIA

0.53ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 1563443750

Certificate GIA 1563443750

Diamond specifications and retailer prices

From £402 GBP
$539 USD
As of October 31, 2026
Save £992 GBP (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,394 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.53ct natural radiant diamond

This 0.53ct 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 1563443750. Listed at 13 retailers as of October 30, 2026, with prices from £402 to £1,394, a £992 spread on the same certified stone. NZ Jewellers lists it at £1,394. 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

0.53
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563443750
Dimensions5.47 × 3.93 × 2.71 mm
L/W Ratio1.39
Top View
5.47 mm3.93 mm0.53 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563443750
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 69.1%

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 31
Current: £1,394 GBP|Low: £399 GBP|High: £1,479 GBP|Avg: £737 GBP|-5.8%
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 1, 2026
Retailer 9£402 GBP
Retailer 3£424 GBP
Retailer 4£479 GBP
Retailer 7£531 GBP
Retailer 2£534 GBP
Retailer 6£535 GBP
Retailer 12£556 GBP
Retailer 11£557 GBP
Retailer 8£560 GBP
Retailer 5£616 GBP
Retailer 10£1,032 GBP
Retailer 13£1,360 GBP
NZ Jewellers£1,394 GBP

24 data points across 13 retailers

13 retailers£402 GBP to £1,394 GBP

A
Cheapest Retailer
-
£402 GBP
$539 USD
Final sale: no returns
A
Retailer 2
-
£424 GBP
SGD 767 SGD
View
A
Retailer 3
-
£479 GBP
$642 USD
View
A
Retailer 4
-
£531 GBP
View
A
Retailer 5
-
£534 GBP
$716 USD
View
A
Retailer 6
-
£535 GBP
View
A
Retailer 7
-
£556 GBP
$745 USD
View
A
Retailer 8
-
£557 GBP
View
A
Retailer 9
-
£560 GBP
$750 USD
View
B+
Retailer 10
-
£616 GBP
$825 USD
View
B
Retailer 11
-
£1,032 GBP
View
B
Retailer 12
-
£1,360 GBP
View
Most Expensive
B
NZ Jewellers
312dadde-267c-45da-86ff-7788386f21c4 · Oct 30
£1,394 GBP
$1,868 USD
View
12 more retailers have this diamond
Prices start from £402 GBPSave up to £992 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
0.53ct Radiant
£402 GBP