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Round|Natural|GIA

0.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7561608398

Certificate GIA 7561608398

Diamond specifications and retailer prices

From £325 GBP
As of November 6, 2026
Save £1,021 GBP (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,346 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7561608398. Listed at 22 retailers as of November 4, 2026, with prices from £325 to £1,346, a £1,021 spread on the same certified stone. NZ Jewellers lists it at £1,346. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7561608398
Dimensions5.03 × 5.05 × 3.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.03 mm5.05 mm0.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561608398
Side View
Table 60.0%Crown 34°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.5%

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: Nov 6
Current: £1,346 GBP|Low: £314 GBP|High: £1,378 GBP|Avg: £547 GBP|-2.3%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 2£325 GBP
Retailer 18£371 GBP
Retailer 9£377 GBP
Retailer 19£390 GBP
Retailer 3£394 GBP
Retailer 4£396 GBP
Retailer 8£429 GBP
Retailer 22£430 GBP
Retailer 17£462 GBP
Retailer 15£471 GBP
Retailer 14£473 GBP
Retailer 21£496 GBP
Retailer 13£516 GBP
Retailer 5£522 GBP
Retailer 12£534 GBP
Retailer 6£563 GBP
Retailer 20£572 GBP
Retailer 7£595 GBP
Retailer 10£602 GBP
Retailer 16£662 GBP
Retailer 11£1,007 GBP
NZ Jewellers£1,346 GBP

19 data points across 22 retailers

22 retailers£325 GBP to £1,346 GBP

A
Cheapest Retailer
-
£325 GBP
A
Retailer 2
-
£371 GBP
View
A
Retailer 3
-
£377 GBP
View
A
Retailer 4
-
£390 GBP
View
B+
Retailer 5
-
£394 GBP
View
B+
Retailer 6
-
£396 GBP
View
Final sale: no returns
B+
Retailer 7
-
£429 GBP
View
B+
Retailer 8
-
£430 GBP
View
B+
Retailer 9
-
£462 GBP
View
Retailer 10
-
£471 GBP
View
Price last confirmed 11 days ago
Retailer 11
-
£473 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£496 GBP
View
B+
Retailer 13
-
£516 GBP
View
B+
Retailer 14
-
£522 GBP
View
B+
Retailer 15
-
£534 GBP
View
B+
Retailer 16
-
£563 GBP
View
B+
Retailer 17
-
£572 GBP
View
B+
Retailer 18
-
£595 GBP
View
B
Retailer 19
-
£602 GBP
View
B
Retailer 20
-
£662 GBP
View
B
Retailer 21
-
£1,007 GBP
View
Most Expensive
B
NZ Jewellers
8b1edfc7-e490-4746-8348-e47f43175cdf · Nov 4
£1,346 GBP
$1,812 USD
View
21 more retailers have this diamond
Prices start from £325 GBPSave up to £1,021 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 Round
£325 GBP