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Marquise|Natural|GIA

0.50ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 2235988918

Certificate GIA 2235988918

Diamond specifications and retailer prices

From $588 SGD
$460 USD
As of October 31, 2026
Save $1,201 SGD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,526 SGD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

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 2235988918. Listed at 14 retailers as of October 31, 2026, with a 204% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2235988918
Dimensions8.09 × 4.13 × 2.63 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
8.09 mm4.13 mm0.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235988918
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.5%

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: $926 SGD|Low: $588 SGD|High: $1,846 SGD|Avg: $971 SGD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 5$588 SGD
Retailer 12$647 SGD
Retailer 10$687 SGD
Retailer 9$724 SGD
Retailer 3$828 SGD
Retailer 8$850 SGD
Retailer 1$926 SGD
Retailer 13$934 SGD
Retailer 7$971 SGD
Retailer 2$991 SGD
Retailer 4$1,112 SGD
Retailer 6$1,144 SGD
Retailer 11$1,789 SGD

28 data points across 13 retailers

14 retailers$588 SGD to $1,789 SGD

A
Cheapest Retailer
-
$588 SGD
$460 USD
A
Retailer 2
-
$647 SGD
$506 USD
View
Final sale: no returns
A
Retailer 3
-
$687 SGD
HK$4,200 HKD
View
A
Retailer 4
-
$724 SGD
$566 USD
View
Retailer 5
-
$828 SGD
$648 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$850 SGD
£523 GBP
View
B+
Retailer 7
-
$926 SGD
£570 GBP
View
B+
Retailer 8
-
$934 SGD
$731 USD
View
B+
Retailer 9
-
$971 SGD
£598 GBP
View
B+
Retailer 10
-
$991 SGD
$775 USD
View
Retailer 11
-
$1,112 SGD
$870 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$1,144 SGD
€852 EUR
View
B
Retailer 13
-
$1,789 SGD
£1,102 GBP
View
Most Expensive
NZ Jewellers
f13de53d-487a-4c2e-8e77-a2bde78ba540 · Sep 30
$2,526 SGD
$1,976 USD
View
Price under review
13 more retailers have this diamond
Prices start from $588 SGDSave up to $1,201 SGD

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
$588 SGD