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Marquise|Natural|GIA

1.01ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1558980939

Certificate GIA 1558980939

Diamond specifications and retailer prices

From $4,055 SGD
$3,171 USD
As of November 2, 2026
Save $5,654 SGD (58%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,709 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558980939. Listed at 21 retailers as of November 2, 2026, with prices from $4,055 to $9,709, a $5,654 spread on the same certified stone. NZ Jewellers lists it at $9,709. 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

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.49°
Pavilion angle38.03°
OriginNatural
Grading LabGIA
CertificateGIA 1558980939
Dimensions9.99 × 5.32 × 3.26 mm
L/W Ratio1.88
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
9.99 mm5.32 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558980939
Side View
Table 65.0%Crown 30.49°Girdle: STK-VTKPavilion 38.03°Culet: NoneDepth 61.3%

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 2
Current: $9,709 SGD|Low: $4,054 SGD|High: $9,796 SGD|Avg: $5,649 SGD|-0.9%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 3, 2026
Retailer 20$4,055 SGD
Retailer 6$4,142 SGD
Retailer 8$4,312 SGD
Retailer 11$4,447 SGD
Retailer 10$4,499 SGD
Retailer 9$4,508 SGD
Retailer 13$4,801 SGD
Retailer 15$5,049 SGD
Retailer 19$5,049 SGD
Retailer 16$5,146 SGD
Retailer 18$5,198 SGD
Retailer 14$5,304 SGD
Retailer 12$5,320 SGD
Retailer 3$5,452 SGD
Retailer 21$5,825 SGD
Retailer 17$5,922 SGD
Retailer 7$5,937 SGD
Retailer 4$6,325 SGD
Retailer 2$8,383 SGD
Retailer 5$8,904 SGD
NZ Jewellers$9,709 SGD

22 data points across 21 retailers

21 retailers$4,055 SGD to $9,709 SGD

A
Cheapest Retailer
-
$4,055 SGD
$3,171 USD
A
Retailer 2
-
$4,142 SGD
HK$25,300 HKD
View
A
Retailer 3
-
$4,312 SGD
$3,372 USD
View
A
Retailer 4
-
$4,447 SGD
$3,477 USD
View
A
Retailer 5
-
$4,499 SGD
$3,518 USD
View
A
Retailer 6
-
$4,508 SGD
$3,525 USD
View
B+
Retailer 7
-
$4,801 SGD
View
B+
Retailer 8
-
$5,049 SGD
$3,948 USD
View
B+
Retailer 9
-
$5,049 SGD
$3,948 USD
View
B+
Retailer 10
-
$5,146 SGD
$4,024 USD
View
B+
Retailer 11
-
$5,198 SGD
View
Retailer 12
-
$5,304 SGD
$4,147 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$5,320 SGD
$4,160 USD
View
B+
Retailer 14
-
$5,452 SGD
£3,357 GBP
View
B+
Retailer 15
-
$5,825 SGD
$4,555 USD
View
B+
Retailer 16
-
$5,922 SGD
$4,631 USD
View
B+
Retailer 17
-
$5,937 SGD
$4,642 USD
View
B+
Retailer 18
-
$6,325 SGD
€4,710 EUR
View
B
Retailer 19
-
$8,383 SGD
$6,555 USD
View
B
Retailer 20
-
$8,904 SGD
£5,482 GBP
View
Most Expensive
B
NZ Jewellers
61d01a58-0c97-491d-8544-5b10e871e9a8 · Nov 3
$9,709 SGD
$7,592 USD
View
20 more retailers have this diamond
Prices start from $4,055 SGDSave up to $5,654 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
1.01ct Marquise
$4,055 SGD