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Radiant|Natural|GIA

0.50ct H SI1 Radiant Natural Diamond

ID • H/SI1 • GIA 1395736249

Certificate GIA 1395736249

Diamond specifications and retailer prices

From £401 GBP
HK$4,200 HKD
As of November 1, 2026
Save £1,082 GBP (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,483 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural radiant diamond

This 0.5ct natural radiant sits in the half to three-quarter carat band, graded H 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 1395736249. Listed at 18 retailers as of October 30, 2026, with prices from £401 to £1,483, a £1,082 spread on the same certified stone. NZ Jewellers lists it at £1,483. 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

0.50
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1395736249
Dimensions4.80 × 3.80 × 2.79 mm
L/W Ratio1.26
Key to symbols
Crystal, Cloud
Top View
4.80 mm3.80 mm0.50 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1395736249
Side View
Table 69.0%CrownGirdle: VTK-EXTPavilionCulet: NoneDepth 73.4%

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: Nov 1
Current: £1,483 GBP|Low: £297 GBP|High: £1,483 GBP|Avg: £616 GBP
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 9£401 GBP
Retailer 8£418 GBP
Retailer 7£422 GBP
Retailer 4£436 GBP
Retailer 18£473 GBP
Retailer 16£509 GBP
Retailer 17£509 GBP
Retailer 3£546 GBP
Retailer 5£566 GBP
Retailer 10£571 GBP
Retailer 2£581 GBP
Retailer 12£582 GBP
Retailer 14£593 GBP
Retailer 6£612 GBP
Retailer 11£696 GBP
Retailer 13£730 GBP
Retailer 15£1,094 GBP
NZ Jewellers£1,483 GBP

26 data points across 18 retailers

18 retailers£401 GBP to £1,483 GBP

A
Cheapest Retailer
-
£401 GBP
HK$4,200 HKD
A
Retailer 2
-
£418 GBP
$560 USD
View
A
Retailer 3
-
£436 GBP
$584 USD
View
Final sale: no returns
A
Retailer 4
-
£473 GBP
$634 USD
View
B+
Retailer 5
-
£492 GBP
SGD 891 SGD
View
B+
Retailer 6
-
£509 GBP
$682 USD
View
B+
Retailer 7
-
£509 GBP
$682 USD
View
B+
Retailer 8
-
£546 GBP
$731 USD
View
B+
Retailer 9
-
£566 GBP
$759 USD
View
B+
Retailer 10
-
£571 GBP
$766 USD
View
B+
Retailer 11
-
£581 GBP
View
B+
Retailer 12
-
£582 GBP
View
B+
Retailer 13
-
£593 GBP
View
B+
Retailer 14
-
£612 GBP
$820 USD
View
B+
Retailer 15
-
£696 GBP
€888 EUR
View
B+
Retailer 16
-
£730 GBP
ZAR 15,801 ZAR
View
B
Retailer 17
-
£1,094 GBP
View
Most Expensive
B
NZ Jewellers
2f91ad51-ce55-4fac-bfa0-751f74d8f882 · Oct 30
£1,483 GBP
$1,987 USD
View
17 more retailers have this diamond
Prices start from £401 GBPSave up to £1,082 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
0.50ct Radiant
£401 GBP