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Marquise|Natural|GIA

0.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6555998638

Certificate GIA 6555998638

Diamond specifications and retailer prices

From $705 SGD
HK$4,300 HKD
As of October 30, 2026
Save $2,303 SGD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,008 SGD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555998638. Listed at 17 retailers as of October 27, 2026, with prices from $705 to $3,008, a $2,303 spread on the same certified stone. NZ Jewellers lists it at $3,008. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555998638
Dimensions8.73 × 4.00 × 2.38 mm
L/W Ratio2.18
Key to symbols
Twinning Wisp, Feather
Top View
8.73 mm4.00 mm0.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555998638
Side View
Table 59.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 59.4%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $3,008 SGD|Low: $705 SGD|High: $3,008 SGD|Avg: $1,176 SGD|+3.5%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 5$705 SGD
Retailer 9$856 SGD
Retailer 4$884 SGD
Retailer 13$960 SGD
Retailer 15$960 SGD
Retailer 17$961 SGD
Retailer 3$974 SGD
Retailer 8$996 SGD
Retailer 14$996 SGD
Retailer 6$1,098 SGD
Retailer 12$1,107 SGD
Retailer 7$1,129 SGD
Retailer 2$1,149 SGD
Retailer 10$1,152 SGD
Retailer 11$1,358 SGD
Retailer 16$1,760 SGD
NZ Jewellers$3,008 SGD

29 data points across 17 retailers

17 retailers$705 SGD to $3,008 SGD

A
Cheapest Retailer
-
$705 SGD
HK$4,300 HKD
Retailer 2
-
$856 SGD
$668 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$884 SGD
$690 USD
View
Final sale: no returns
A
Retailer 4
-
$960 SGD
$749 USD
View
A
Retailer 5
-
$960 SGD
$749 USD
View
Retailer 6
-
$961 SGD
$750 USD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$974 SGD
$760 USD
View
B+
Retailer 8
-
$996 SGD
View
A
Retailer 9
-
$996 SGD
$777 USD
View
B+
Retailer 10
-
$1,098 SGD
$857 USD
View
B+
Retailer 11
-
$1,107 SGD
$864 USD
View
B+
Retailer 12
-
$1,129 SGD
$881 USD
View
B+
Retailer 13
-
$1,149 SGD
£706 GBP
View
B+
Retailer 14
-
$1,152 SGD
£708 GBP
View
B
Retailer 15
-
$1,358 SGD
€1,009 EUR
View
B
Retailer 16
-
$1,760 SGD
£1,081 GBP
View
Most Expensive
B
NZ Jewellers
88d87b2f-aadb-4faf-81c0-ee5e9c54b4c5 · Oct 27
$3,008 SGD
$2,347 USD
View
16 more retailers have this diamond
Prices start from $705 SGDSave up to $2,303 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
$705 SGD