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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 €607 EUR
As of November 6, 2026
Save €827 EUR (58%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,434 EUR 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 €607 to €1,434, a €827 spread on the same certified stone. MOH London lists it at €1,434. 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: €1,434 EUR|Low: €607 EUR|High: €1,454 EUR|Avg: €955 EUR|-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€607 EUR
Retailer 5€654 EUR
Retailer 3€713 EUR
Retailer 10€738 EUR
Retailer 7€864 EUR
Retailer 2€901 EUR
Retailer 6€1,102 EUR
Retailer 9€1,179 EUR
Retailer 4€1,210 EUR
MOH London€1,434 EUR

44 data points across 10 retailers

23 retailers€607 EUR to €1,434 EUR

B+
Cheapest Retailer
-
€607 EUR
Final sale: no returns
B+
Retailer 2
-
€697 EUR
View
B+
Retailer 3
-
€710 EUR
View
Retailer 4
-
€710 EUR
View
Price last confirmed 9 days ago
B+
Retailer 5
-
€713 EUR
View
B+
Retailer 6
-
€714 EUR
View
B+
Retailer 7
-
€721 EUR
View
B
Retailer 8
-
€738 EUR
View
B
Retailer 9
-
€803 EUR
View
B
Retailer 10
-
€820 EUR
View
B
Retailer 11
-
€864 EUR
View
B
Retailer 12
-
€878 EUR
View
B
Retailer 13
-
€878 EUR
View
B
Retailer 14
-
€878 EUR
View
B
Retailer 15
-
€901 EUR
View
B
Retailer 16
-
€905 EUR
View
B
Retailer 17
-
€963 EUR
View
B
Retailer 18
-
€1,102 EUR
View
Retailer 19
-
€1,179 EUR
View
Price last confirmed 34 days ago
B
Retailer 20
-
€1,210 EUR
View
B
Retailer 21
-
€1,264 EUR
View
Most Expensive
B
MOH London
7ED55971B · Nov 4
€1,434 EUR
£1,261 GBP
View
21 more retailers have this diamond
Prices start from €607 EURSave up to €827 EUR

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
€607 EUR