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Marquise|Natural|GIA

0.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2564351846

Certificate GIA 2564351846

Diamond specifications and retailer prices

From $780 AUD
$548 USD
As of October 29, 2026
Save $1,873 AUD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,654 AUD 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 E 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 2564351846. Listed at 15 retailers as of October 29, 2026, with prices from $780 to $2,654, a $1,873 spread on the same certified stone. NZ Jewellers lists it at $2,654. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2564351846
Dimensions7.58 × 4.08 × 2.67 mm
L/W Ratio1.86
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
7.58 mm4.08 mm0.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2564351846
Side View
Table 57.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 65.6%

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: Oct 29
Current: $2,654 AUD|Low: $715 AUD|High: $2,654 AUD|Avg: $1,146 AUD
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
October 30, 2026
Retailer 14$780 AUD
Retailer 12$783 AUD
Retailer 3$846 AUD
Retailer 5$881 AUD
Retailer 13$911 AUD
Retailer 15$911 AUD
Retailer 4$977 AUD
Retailer 6$977 AUD
Retailer 2$1,014 AUD
Retailer 7$1,034 AUD
Retailer 8$1,039 AUD
Retailer 11$1,060 AUD
Retailer 10$1,160 AUD
Retailer 9$1,965 AUD
NZ Jewellers$2,654 AUD

32 data points across 15 retailers

15 retailers$780 AUD to $2,654 AUD

A
Cheapest Retailer
-
$780 AUD
$548 USD
Final sale: no returns
A
Retailer 2
-
$783 AUD
$550 USD
View
A
Retailer 3
-
$846 AUD
$594 USD
View
A
Retailer 4
-
$881 AUD
SGD 836 SGD
View
A
Retailer 5
-
$911 AUD
$640 USD
View
A
Retailer 6
-
$911 AUD
$640 USD
View
A
Retailer 7
-
$977 AUD
$686 USD
View
A
Retailer 8
-
$977 AUD
$686 USD
View
A
Retailer 9
-
$1,014 AUD
£561 GBP
View
A
Retailer 10
-
$1,034 AUD
$726 USD
View
A
Retailer 11
-
$1,039 AUD
£575 GBP
View
A
Retailer 12
-
$1,060 AUD
£586 GBP
View
B+
Retailer 13
-
$1,160 AUD
€776 EUR
View
B
Retailer 14
-
$1,965 AUD
£1,087 GBP
View
Most Expensive
B
NZ Jewellers
27af18b6-bcce-40f9-92fd-092055637a4b · Oct 30
$2,654 AUD
$1,864 USD
View
14 more retailers have this diamond
Prices start from $780 AUDSave up to $1,873 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
0.50ct Marquise
$780 AUD