Marquise|Natural|GIA

0.50ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 7542349997

Certificate GIA 7542349997

Diamond specifications and retailer prices

From $629 USD
As of October 31, 2026
Save $872 USD (58%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,501 USD at MOH London · As of October 29, 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 7542349997. Listed at 24 retailers as of October 29, 2026, with prices from $629 to $1,501, a $872 spread on the same certified stone. MOH London lists it at $1,501. 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
PolishVery Good
SymmetryGood
FluorescenceNone
Pavilion angle38.8°
OriginNatural
Grading LabGIA
CertificateGIA 7542349997
Dimensions7.99 × 4.10 × 2.54 mm
L/W Ratio1.95
Girdle conditionFaceted
Top View
7.99 mm4.10 mm0.50 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7542349997
Side View
Table 57.0%CrownGirdle: THN-VTKPavilion 38.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,501 USD|Low: $572 USD|High: $2,556 USD|Avg: $1,060 USD|+0.6%
MOH London
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
November 2, 2026
Retailer 12$629 USD
Retailer 11$693 USD
Retailer 9$733 USD
Retailer 4$738 USD
Retailer 14$767 USD
Retailer 3$768 USD
Retailer 5$852 USD
Retailer 10$915 USD
Retailer 2$973 USD
Retailer 7$1,152 USD
Retailer 13$1,226 USD
Retailer 8$1,258 USD
MOH London$1,501 USD
Retailer 6$2,556 USD

46 data points across 14 retailers

24 retailers$629 USD to $1,501 USD

A
Cheapest Retailer
-
$629 USD
Final sale: no returns
B+
Retailer 2
-
$679 USD
View
B+
Retailer 3
-
$693 USD
SGD 937 SGD
View
B+
Retailer 4
-
$733 USD
View
B+
Retailer 5
-
$738 USD
View
B+
Retailer 6
-
$738 USD
View
B+
Retailer 7
-
$746 USD
View
B+
Retailer 8
-
$750 USD
View
B+
Retailer 9
-
$767 USD
View
B+
Retailer 10
-
$768 USD
View
B
Retailer 11
-
$845 USD
View
B
Retailer 12
-
$852 USD
View
B
Retailer 13
-
$910 USD
View
B
Retailer 14
-
$910 USD
View
B
Retailer 15
-
$910 USD
View
B
Retailer 16
-
$915 USD
View
B
Retailer 17
-
$940 USD
View
B
Retailer 18
-
$973 USD
£766 GBP
View
B
Retailer 19
-
$1,152 USD
€1,097 EUR
View
Retailer 20
-
$1,226 USD
A$1,885 AUD
View
Price last confirmed 29 days ago
B
Retailer 21
-
$1,258 USD
ZAR 20,324 ZAR
View
B
Retailer 22
-
$1,310 USD
CA$1,820 CAD
View
Most Expensive
B
MOH London
75F49E183 · Oct 29
$1,501 USD
£1,182 GBP
View
22 more retailers have this diamond
Prices start from $629 USDSave up to $872 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.

A
0.50ct Marquise
$629 USD