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Marquise|Natural|GIA

0.50ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2241075919

Certificate GIA 2241075919

Diamond specifications and retailer prices

From £350 GBP
$470 USD
As of November 2, 2026
Save £843 GBP (71%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,193 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise 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 stated by the retailer rather than the lab and certified by GIA 2241075919. Listed at 18 retailers as of November 2, 2026, with prices from £350 to £1,193, a £843 spread on the same certified stone. NZ Jewellers lists it at £1,193. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2241075919
Dimensions8.07 × 4.03 × 2.60 mm
L/W Ratio2.00
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
8.07 mm4.03 mm0.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2241075919
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.5%

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 2
Current: £1,193 GBP|Low: £321 GBP|High: £1,193 GBP|Avg: £518 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 3, 2026
Retailer 16£350 GBP
Retailer 3£354 GBP
Retailer 18£381 GBP
Retailer 5£398 GBP
Retailer 15£410 GBP
Retailer 17£410 GBP
Retailer 4£439 GBP
Retailer 7£439 GBP
Retailer 11£467 GBP
Retailer 2£476 GBP
Retailer 9£487 GBP
Retailer 12£524 GBP
Retailer 6£529 GBP
Retailer 10£534 GBP
Retailer 8£565 GBP
Retailer 14£587 GBP
Retailer 13£878 GBP
NZ Jewellers£1,193 GBP

35 data points across 18 retailers

18 retailers£350 GBP to £1,193 GBP

A
Cheapest Retailer
-
£350 GBP
$470 USD
Final sale: no returns
A
Retailer 2
-
£354 GBP
$475 USD
View
A
Retailer 3
-
£381 GBP
$511 USD
View
Retailer 4
-
£398 GBP
SGD 721 SGD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£410 GBP
$550 USD
View
B+
Retailer 6
-
£410 GBP
$550 USD
View
B+
Retailer 7
-
£439 GBP
$589 USD
View
B+
Retailer 8
-
£439 GBP
$589 USD
View
B+
Retailer 9
-
£467 GBP
View
B+
Retailer 10
-
£476 GBP
View
B+
Retailer 11
-
£487 GBP
$654 USD
View
B+
Retailer 12
-
£524 GBP
€670 EUR
View
B
Retailer 13
-
£529 GBP
$710 USD
View
B
Retailer 14
-
£534 GBP
$716 USD
View
Retailer 15
-
£565 GBP
A$1,167 AUD
View
Price last confirmed 35 days ago
B+
Retailer 16
-
£587 GBP
ZAR 12,729 ZAR
View
B
Retailer 17
-
£878 GBP
View
Most Expensive
B
NZ Jewellers
dc0a6f75-d3f2-43d7-a425-c07f3867bc40 · Nov 3
£1,193 GBP
$1,601 USD
View
17 more retailers have this diamond
Prices start from £350 GBPSave up to £843 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 Marquise
£350 GBP