Marquise|Natural|GIA

1.01ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1559151277

Certificate GIA 1559151277

Diamond specifications and retailer prices

From $4,019 SGD
As of November 6, 2026
Save $5,246 SGD (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,265 SGD at NZ Jewellers · As of November 5, 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 D 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 1559151277. Listed at 24 retailers as of November 5, 2026, with prices from $4,019 to $9,265, a $5,246 spread on the same certified stone. NZ Jewellers lists it at $9,265. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1559151277
Dimensions10.82 × 5.14 × 3.06 mm
L/W Ratio2.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Knot, Cloud, Crystal, Feather, Etch Channel, Needle
Top View
10.82 mm5.14 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559151277
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: 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: Nov 6
Current: $9,265 SGD|Low: $3,986 SGD|High: $9,456 SGD|Avg: $5,828 SGD|-2.0%
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
November 6, 2026
Retailer 20$4,019 SGD
Retailer 2$4,154 SGD
Retailer 11$4,744 SGD
Retailer 7$4,762 SGD
Retailer 17$4,798 SGD
Retailer 12$4,907 SGD
Retailer 14$5,061 SGD
Retailer 13$5,158 SGD
Retailer 5$5,317 SGD
Retailer 6$5,317 SGD
Retailer 8$5,317 SGD
Retailer 15$5,353 SGD
Retailer 4$5,506 SGD
Retailer 9$5,511 SGD
Retailer 19$6,016 SGD
Retailer 3$6,135 SGD
Retailer 16$6,490 SGD
Retailer 10$7,813 SGD
Retailer 18$8,869 SGD
NZ Jewellers$9,265 SGD

22 data points across 20 retailers

24 retailers$4,019 SGD to $9,265 SGD

A
Cheapest Retailer
-
$4,019 SGD
A
Retailer 2
-
$4,154 SGD
View
B+
Retailer 3
-
$4,744 SGD
View
B+
Retailer 4
-
$4,762 SGD
View
B+
Retailer 5
-
$4,798 SGD
View
B+
Retailer 6
-
$4,907 SGD
View
Final sale: no returns
B+
Retailer 7
-
$5,006 SGD
View
B+
Retailer 8
-
$5,011 SGD
View
B+
Retailer 9
-
$5,061 SGD
View
B+
Retailer 10
-
$5,158 SGD
View
B+
Retailer 11
-
$5,279 SGD
View
Retailer 12
-
$5,317 SGD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$5,317 SGD
View
B+
Retailer 14
-
$5,317 SGD
View
B+
Retailer 15
-
$5,353 SGD
View
B+
Retailer 16
-
$5,506 SGD
View
B+
Retailer 17
-
$5,511 SGD
View
Retailer 18
-
$5,811 SGD
View
Price last confirmed 28 days ago
B+
Retailer 19
-
$6,016 SGD
View
B+
Retailer 20
-
$6,135 SGD
View
B+
Retailer 21
-
$6,490 SGD
View
Retailer 22
-
$7,813 SGD
View
Price last confirmed 9 days ago
B
Retailer 23
-
$8,869 SGD
View
Most Expensive
B
NZ Jewellers
f4ab1fb9-641d-473a-b3fc-5ddeb3849b68 · Nov 5
$9,265 SGD
$7,229 USD
View
23 more retailers have this diamond
Prices start from $4,019 SGDSave up to $5,246 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
$4,019 SGD