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Marquise|Natural|IGI

0.50ct G SI2 Marquise Natural Diamond

VG • G/SI2 • IGI 800673801

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 800673801

Diamond specifications and retailer prices

From $663 SGD
As of November 6, 2026
Save $1,592 SGD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,254 SGD at NZ Jewellers · As of November 5, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 800673801. Listed at 12 retailers as of November 5, 2026, with prices from $663 to $2,254, a $1,592 spread on the same certified stone. NZ Jewellers lists it at $2,254. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.3°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 800673801
Dimensions9.01 × 3.95 × 2.52 mm
L/W Ratio2.28
Girdle conditionFaceted
Top View
9.01 mm3.95 mm0.50 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 800673801
Side View
Table 51.0%Crown 32.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 63.8%

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: Nov 6
Current: $2,254 SGD|Low: $607 SGD|High: $2,390 SGD|Avg: $1,042 SGD|-5.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$663 SGD
Retailer 10$719 SGD
Retailer 8$774 SGD
Retailer 11$774 SGD
Retailer 3$829 SGD
Retailer 2$854 SGD
Retailer 4$887 SGD
Retailer 12$893 SGD
Retailer 7$900 SGD
Retailer 6$1,068 SGD
Retailer 5$1,656 SGD
NZ Jewellers$2,254 SGD

44 data points across 12 retailers

12 retailers$663 SGD to $2,254 SGD

A
Cheapest Retailer
-
$663 SGD
Final sale: no returns
A
Retailer 2
-
$719 SGD
View
A
Retailer 3
-
$774 SGD
View
Retailer 4
-
$774 SGD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$829 SGD
View
A
Retailer 6
-
$854 SGD
View
B+
Retailer 7
-
$887 SGD
View
B+
Retailer 8
-
$893 SGD
View
B+
Retailer 9
-
$900 SGD
View
B+
Retailer 10
-
$1,068 SGD
View
B
Retailer 11
-
$1,656 SGD
View
Most Expensive
B
NZ Jewellers
7363867a-f6cf-4c08-82b2-f9a2b242e147 · Nov 5
$2,254 SGD
$1,759 USD
View
11 more retailers have this diamond
Prices start from $663 SGDSave up to $1,592 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
$663 SGD