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Marquise|Natural|GIA

0.50ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6561696251

Certificate GIA 6561696251

Diamond specifications and retailer prices

From £360 GBP
₹45,962 INR
As of November 1, 2026
Save £1,140 GBP (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,500 GBP at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561696251. Listed at 18 retailers as of October 30, 2026, with prices from £360 to £1,500, a £1,140 spread on the same certified stone. NZ Jewellers lists it at £1,500. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561696251
Dimensions7.95 × 4.10 × 2.64 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.95 mm4.10 mm0.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561696251
Side View
Table 58.0%CrownGirdle: MED-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 1
Current: £1,500 GBP|Low: £335 GBP|High: £1,500 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 12£360 GBP
Retailer 13£433 GBP
Retailer 4£442 GBP
Retailer 8£442 GBP
Retailer 16£451 GBP
Retailer 6£478 GBP
Retailer 7£515 GBP
Retailer 10£515 GBP
Retailer 5£552 GBP
Retailer 17£562 GBP
Retailer 2£571 GBP
Retailer 9£577 GBP
Retailer 14£581 GBP
Retailer 11£584 GBP
Retailer 3£600 GBP
Retailer 15£704 GBP
Retailer 18£1,111 GBP
NZ Jewellers£1,500 GBP

11 data points across 18 retailers

18 retailers£360 GBP to £1,500 GBP

A
Cheapest Retailer
-
£360 GBP
₹45,962 INR
A
Retailer 2
-
£433 GBP
$580 USD
View
A
Retailer 3
-
£442 GBP
$592 USD
View
Final sale: no returns
A
Retailer 4
-
£442 GBP
$592 USD
View
A
Retailer 5
-
£451 GBP
A$930 AUD
View
A
Retailer 6
-
£478 GBP
$641 USD
View
A
Retailer 7
-
£515 GBP
$690 USD
View
A
Retailer 8
-
£515 GBP
$690 USD
View
A
Retailer 9
-
£552 GBP
$740 USD
View
A
Retailer 10
-
£562 GBP
$753 USD
View
A
Retailer 11
-
£571 GBP
View
A
Retailer 12
-
£577 GBP
$773 USD
View
A
Retailer 13
-
£581 GBP
$778 USD
View
A
Retailer 14
-
£584 GBP
View
A
Retailer 15
-
£600 GBP
View
B+
Retailer 16
-
£704 GBP
€898 EUR
View
B
Retailer 17
-
£1,111 GBP
View
Most Expensive
B
NZ Jewellers
5d464f11-5a41-490d-ae08-f33b24486331 · Oct 30
£1,500 GBP
$2,010 USD
View
17 more retailers have this diamond
Prices start from £360 GBPSave up to £1,140 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
£360 GBP