Marquise|Natural|GIA

0.50ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5543557515

Certificate GIA 5543557515

Diamond specifications and retailer prices

From $1,218 NZD
$685 USD
As of October 31, 2026
Save $1,459 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,677 NZD at MOH London · As of November 2, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543557515. Listed at 17 retailers as of October 31, 2026, with prices from $1,218 to $2,677, a $1,459 spread on the same certified stone. MOH London lists it at $2,677. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5543557515
Dimensions8.55 × 3.88 × 2.48 mm
L/W Ratio2.20
Top View
8.55 mm3.88 mm0.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5543557515
Side View
Table 58.0%CrownGirdle: VTK-ETKPavilionCulet: NDepth 63.7%

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: Oct 31
Current: $2,677 NZD|Low: $1,324 NZD|High: $4,585 NZD|Avg: $2,076 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$1,324 NZD
Retailer 11$1,324 NZD
Retailer 5$1,376 NZD
Retailer 8$1,528 NZD
Retailer 10$1,633 NZD
Retailer 2$1,745 NZD
Retailer 4$2,066 NZD
Retailer 3$2,200 NZD
Retailer 9$2,350 NZD
MOH London$2,677 NZD
Retailer 6$4,585 NZD

44 data points across 11 retailers

17 retailers$1,218 NZD to $2,677 NZD

B+
Cheapest Retailer
-
$1,218 NZD
$685 USD
B+
Retailer 2
-
$1,324 NZD
$745 USD
View
B+
Retailer 3
-
$1,324 NZD
$745 USD
View
B+
Retailer 4
-
$1,337 NZD
$752 USD
View
B+
Retailer 5
-
$1,345 NZD
$757 USD
View
B+
Retailer 6
-
$1,376 NZD
$774 USD
View
B
Retailer 7
-
$1,504 NZD
$846 USD
View
B
Retailer 8
-
$1,528 NZD
$860 USD
View
B
Retailer 9
-
$1,633 NZD
$919 USD
View
B
Retailer 10
-
$1,635 NZD
$920 USD
View
B
Retailer 11
-
$1,635 NZD
$920 USD
View
B
Retailer 12
-
$1,688 NZD
$950 USD
View
B
Retailer 13
-
$1,745 NZD
£773 GBP
View
B
Retailer 14
-
$2,066 NZD
€1,107 EUR
View
B
Retailer 15
-
$2,350 NZD
CA$1,837 CAD
View
Most Expensive
B
MOH London
AE1889CAC · Nov 2
$2,677 NZD
£1,186 GBP
View
15 more retailers have this diamond
Prices start from $1,218 NZDSave up to $1,459 NZD

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
$1,218 NZD