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Marquise|Natural|GIA

0.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7561214081

Certificate GIA 7561214081

Diamond specifications and retailer prices

From £267 GBP
As of November 6, 2026
Save £937 GBP (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,204 GBP at NZ Jewellers · As of November 5, 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 I 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 7561214081. Listed at 19 retailers as of November 5, 2026, with prices from £267 to £1,204, a £937 spread on the same certified stone. NZ Jewellers lists it at £1,204. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561214081
Dimensions7.54 × 4.24 × 2.70 mm
L/W Ratio1.78
Top View
7.54 mm4.24 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7561214081
Side View
Table 53.0%CrownGirdle: Very Thick - Ext. ThickPavilionCulet: NoneDepth 63.6%

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: £1,204 GBP|Low: £267 GBP|High: £1,295 GBP|Avg: £448 GBP|-7.0%
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 6, 2026
Retailer 3£267 GBP
Retailer 17£290 GBP
Retailer 10£299 GBP
Retailer 14£315 GBP
Retailer 12£329 GBP
Retailer 16£338 GBP
Retailer 8£347 GBP
Retailer 4£362 GBP
Retailer 6£362 GBP
Retailer 2£383 GBP
Retailer 13£386 GBP
Retailer 11£412 GBP
Retailer 9£439 GBP
Retailer 15£471 GBP
Retailer 18£487 GBP
Retailer 7£488 GBP
Retailer 5£725 GBP
NZ Jewellers£1,204 GBP

23 data points across 18 retailers

19 retailers£267 GBP to £1,204 GBP

A
Cheapest Retailer
-
£267 GBP
A
Retailer 2
-
£290 GBP
View
Final sale: no returns
A
Retailer 3
-
£299 GBP
View
A
Retailer 4
-
£315 GBP
View
A
Retailer 5
-
£329 GBP
View
A
Retailer 6
-
£338 GBP
View
Retailer 7
-
£347 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£362 GBP
View
A
Retailer 9
-
£362 GBP
View
A
Retailer 10
-
£383 GBP
View
A
Retailer 11
-
£386 GBP
View
A
Retailer 12
-
£412 GBP
View
A
Retailer 13
-
£439 GBP
View
B+
Retailer 14
-
£471 GBP
View
B+
Retailer 15
-
£487 GBP
View
B+
Retailer 16
-
£488 GBP
View
Retailer 17
-
£566 GBP
View
Price last confirmed 34 days ago
B
Retailer 18
-
£725 GBP
View
Most Expensive
B
NZ Jewellers
511309f9-9e5c-476a-aeeb-99c8bf39cfed · Nov 5
£1,204 GBP
$1,612 USD
View
18 more retailers have this diamond
Prices start from £267 GBPSave up to £937 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
£267 GBP