Marquise|Natural|GIA

0.52ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6512085961

Certificate GIA 6512085961

Diamond specifications and retailer prices

From $607 AUD
As of November 6, 2026
Save $2,112 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,719 AUD 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 $607 to $2,719, a $2,112 spread on the same certified stone. NZ Jewellers lists it at $2,719. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,719 AUD|Low: $607 AUD|High: $2,719 AUD|Avg: $1,225 AUD
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$607 AUD
Retailer 2$640 AUD
Retailer 3$1,029 AUD
Retailer 4$1,054 AUD
Retailer 8$1,057 AUD
Retailer 9$1,058 AUD
Retailer 6$1,086 AUD
Retailer 7$1,281 AUD
Retailer 5$2,000 AUD
NZ Jewellers$2,719 AUD

9 data points across 10 retailers

11 retailers$607 AUD to $2,719 AUD

A
Cheapest Retailer
-
$607 AUD
Final sale: no returns
A
Retailer 2
-
$640 AUD
View
A
Retailer 3
-
$848 AUD
View
B+
Retailer 4
-
$1,029 AUD
View
B+
Retailer 5
-
$1,054 AUD
View
B+
Retailer 6
-
$1,057 AUD
View
B+
Retailer 7
-
$1,058 AUD
View
B+
Retailer 8
-
$1,086 AUD
View
B
Retailer 9
-
$1,281 AUD
View
B
Retailer 10
-
$2,000 AUD
View
Most Expensive
B
NZ Jewellers
6fefef3d-48db-4e6a-ba78-8c2a7b077c99 · Nov 5
$2,719 AUD
$1,868 USD
View
10 more retailers have this diamond
Prices start from $607 AUDSave up to $2,112 AUD

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
$607 AUD