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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 $678 USD
As of October 31, 2026
Save $926 USD (58%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,604 USD at MOH London · As of November 1, 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 October 31, 2026, with prices from $678 to $1,604, a $926 spread on the same certified stone. MOH London lists it at $1,604. 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
Color
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: Oct 31
Current: $1,604 USD|Low: $678 USD|High: $2,745 USD|Avg: $1,203 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10$678 USD
Retailer 6$731 USD
Retailer 9$793 USD
Retailer 4$793 USD
Retailer 12$824 USD
Retailer 8$965 USD
Retailer 5$1,014 USD
Retailer 2$1,235 USD
Retailer 11$1,316 USD
Retailer 7$1,351 USD
MOH London$1,604 USD
Retailer 3$2,745 USD

44 data points across 12 retailers

23 retailers$678 USD to $1,604 USD

B+
Cheapest Retailer
-
$678 USD
Final sale: no returns
B+
Retailer 2
-
$778 USD
View
B+
Retailer 3
-
$793 USD
SGD 1,071 SGD
View
B+
Retailer 4
-
$793 USD
View
B+
Retailer 5
-
$793 USD
View
B+
Retailer 6
-
$797 USD
View
B+
Retailer 7
-
$805 USD
View
B
Retailer 8
-
$824 USD
View
B
Retailer 9
-
$898 USD
View
B
Retailer 10
-
$915 USD
View
B
Retailer 11
-
$965 USD
View
B
Retailer 12
-
$980 USD
View
B
Retailer 13
-
$980 USD
View
B
Retailer 14
-
$980 USD
View
B
Retailer 15
-
$1,010 USD
View
B
Retailer 16
-
$1,014 USD
£799 GBP
View
B
Retailer 17
-
$1,075 USD
View
B
Retailer 18
-
$1,235 USD
€1,176 EUR
View
Retailer 19
-
$1,316 USD
A$2,025 AUD
View
Price last confirmed 29 days ago
B
Retailer 20
-
$1,351 USD
ZAR 21,832 ZAR
View
B
Retailer 21
-
$1,411 USD
CA$1,960 CAD
View
Most Expensive
B
MOH London
7ED55971B · Nov 1
$1,604 USD
£1,263 GBP
View
21 more retailers have this diamond
Prices start from $678 USDSave up to $926 USD

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
$678 USD