CaratHunter
Plans
Marquise|Natural|GIA

0.52ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6512085961

Certificate GIA 6512085961

Diamond specifications and retailer prices

From £312 GBP
As of November 6, 2026
Save £1,084 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,396 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.52ct natural marquise diamond

This 0.52ct natural marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512085961. Listed at 11 retailers as of November 5, 2026, with prices from £312 to £1,396, a £1,084 spread on the same certified stone. NZ Jewellers lists it at £1,396. 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

0.52
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6512085961
Dimensions8.08 × 4.25 × 2.63 mm
L/W Ratio1.90
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather
Top View
8.08 mm4.25 mm0.52 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6512085961
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.9%

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: £1,396 GBP|Low: £312 GBP|High: £1,396 GBP|Avg: £629 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£312 GBP
Retailer 2£329 GBP
Retailer 3£528 GBP
Retailer 4£541 GBP
Retailer 8£542 GBP
Retailer 9£543 GBP
Retailer 6£557 GBP
Retailer 7£657 GBP
Retailer 5£1,027 GBP
NZ Jewellers£1,396 GBP

9 data points across 10 retailers

11 retailers£312 GBP to £1,396 GBP

A
Cheapest Retailer
-
£312 GBP
Final sale: no returns
A
Retailer 2
-
£329 GBP
View
A
Retailer 3
-
£436 GBP
View
B+
Retailer 4
-
£528 GBP
View
B+
Retailer 5
-
£541 GBP
View
B+
Retailer 6
-
£542 GBP
View
B+
Retailer 7
-
£543 GBP
View
B+
Retailer 8
-
£557 GBP
View
B
Retailer 9
-
£657 GBP
View
B
Retailer 10
-
£1,027 GBP
View
Most Expensive
B
NZ Jewellers
6fefef3d-48db-4e6a-ba78-8c2a7b077c99 · Nov 5
£1,396 GBP
$1,868 USD
View
10 more retailers have this diamond
Prices start from £312 GBPSave up to £1,084 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
0.52ct Marquise
£312 GBP