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Marquise|Natural|GIA

0.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6545114668

Certificate GIA 6545114668

Diamond specifications and retailer prices

From $987 AUD
As of November 6, 2026
Save $1,344 AUD (58%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,331 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded H 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 6545114668. Listed at 23 retailers as of November 4, 2026, with prices from $987 to $2,331, a $1,344 spread on the same certified stone. MOH London lists it at $2,331. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Pavilion angle40.5°
OriginNatural
Grading LabGIA
CertificateGIA 6545114668
Dimensions7.90 × 4.06 × 2.58 mm
L/W Ratio1.95
Top View
7.90 mm4.06 mm0.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6545114668
Side View
Table 58.0%CrownGirdle: THN-VTKPavilion 40.5°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,331 AUD|Low: $987 AUD|High: $2,362 AUD|Avg: $1,551 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$987 AUD
Retailer 5$1,062 AUD
Retailer 3$1,158 AUD
Retailer 10$1,199 AUD
Retailer 7$1,404 AUD
Retailer 2$1,464 AUD
Retailer 6$1,790 AUD
Retailer 9$1,915 AUD
Retailer 4$1,966 AUD
MOH London$2,331 AUD

44 data points across 10 retailers

23 retailers$987 AUD to $2,331 AUD

B+
Cheapest Retailer
-
$987 AUD
Final sale: no returns
B+
Retailer 2
-
$1,132 AUD
View
B+
Retailer 3
-
$1,154 AUD
View
Retailer 4
-
$1,154 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,158 AUD
View
B+
Retailer 6
-
$1,160 AUD
View
B+
Retailer 7
-
$1,172 AUD
View
B
Retailer 8
-
$1,199 AUD
View
B
Retailer 9
-
$1,305 AUD
View
B
Retailer 10
-
$1,332 AUD
View
B
Retailer 11
-
$1,404 AUD
View
B
Retailer 12
-
$1,426 AUD
View
B
Retailer 13
-
$1,426 AUD
View
B
Retailer 14
-
$1,426 AUD
View
B
Retailer 15
-
$1,464 AUD
View
B
Retailer 16
-
$1,470 AUD
View
B
Retailer 17
-
$1,565 AUD
View
B
Retailer 18
-
$1,790 AUD
View
Retailer 19
-
$1,915 AUD
View
Price last confirmed 33 days ago
B
Retailer 20
-
$1,966 AUD
View
B
Retailer 21
-
$2,054 AUD
View
Most Expensive
B
MOH London
7ED55971B · Nov 4
$2,331 AUD
£1,261 GBP
View
21 more retailers have this diamond
Prices start from $987 AUDSave up to $1,344 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.

B+
0.50ct Marquise
$987 AUD