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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 1555471219

Certificate GIA 1555471219

Diamond specifications and retailer prices

From $3,163 SGD
As of November 5, 2026
Save $962 SGD (23%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,125 SGD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-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 1555471219. Listed at 7 retailers as of November 5, 2026, with prices from $3,163 to $4,125, a $962 spread on the same certified stone. GemTrove lists it at $4,125. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555471219
Dimensions10.45 × 5.27 × 3.08 mm
L/W Ratio1.98
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.45 mm5.27 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555471219
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.4%

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: Nov 5
Current: $3,670 SGD|Low: $2,993 SGD|High: $4,086 SGD|Avg: $3,554 SGD|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$3,163 SGD
Retailer 3$3,440 SGD
Retailer 4$3,478 SGD
Retailer 1$3,670 SGD
Retailer 5$3,940 SGD

46 data points across 5 retailers

7 retailers$3,163 SGD to $4,125 SGD

A
Cheapest Retailer
-
$3,163 SGD
A
Retailer 2
-
$3,440 SGD
View
A
Retailer 3
-
$3,478 SGD
View
Final sale: no returns
A
Retailer 4
-
$3,670 SGD
View
A
Retailer 5
-
$3,940 SGD
View
B+
Retailer 6
-
$4,041 SGD
View
Most Expensive
B+
GemTrove
GT-N-01273345-98 · Nov 6
$4,125 SGD
A$4,968 AUD
View
6 more retailers have this diamond
Prices start from $3,163 SGDSave up to $962 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
1.00ct Marquise
$3,163 SGD