Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 1558044960

Certificate GIA 1558044960

Diamond specifications and retailer prices

From $2,580 SGD
As of November 6, 2026
21 retailers carry this diamond
Most expensive: $5,513 SGD at NZ Jewellers · As of September 29, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558044960. Listed at 21 retailers as of November 6, 2026. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558044960
Dimensions9.52 × 5.14 × 3.37 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
9.52 mm5.14 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558044960
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $5,439 SGD|Low: $1,945 SGD|High: $6,259 SGD|Avg: $2,887 SGD|-13.1%
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
October 30, 2026
Retailer 5$1,945 SGD
Retailer 17$2,109 SGD
Retailer 3$2,170 SGD
Retailer 15$2,175 SGD
Retailer 4$2,272 SGD
Retailer 8$2,313 SGD
Retailer 11$2,427 SGD
Retailer 9$2,478 SGD
Retailer 10$2,524 SGD
Retailer 13$2,552 SGD
Retailer 2$2,579 SGD
Retailer 6$2,625 SGD
Retailer 12$2,851 SGD
Retailer 18$3,253 SGD
Retailer 16$3,469 SGD
Retailer 7$3,900 SGD
Retailer 14$4,582 SGD
NZ Jewellers$5,439 SGD

23 data points across 18 retailers

21 retailers

Retailer 1
-
$1,945 SGD
Price last confirmed 7 days ago
Retailer 2
-
$2,090 SGD
View
Price last confirmed 14 days ago
Retailer 3
-
$2,109 SGD
View
Price last confirmed 15 days ago
Retailer 4
-
$2,170 SGD
View
Price last confirmed 8 days ago
Retailer 5
-
$2,272 SGD
View
Price last confirmed 9 days ago
Retailer 6
-
$2,313 SGD
View
Price last confirmed 8 days ago
Retailer 7
-
$2,427 SGD
View
Price last confirmed 8 days ago
Retailer 8
-
$2,478 SGD
View
Price last confirmed 9 days ago
Retailer 9
-
$2,524 SGD
View
Price last confirmed 9 days ago
Retailer 10
-
$2,552 SGD
View
Price last confirmed 8 days ago
Retailer 11
-
$2,579 SGD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$2,580 SGD
View
Retailer 13
-
$2,625 SGD
View
Price last confirmed 15 days ago
Retailer 14
-
$2,851 SGD
View
Price last confirmed 8 days ago
Retailer 15
-
$3,253 SGD
View
Price last confirmed 15 days ago
Retailer 16
-
$3,469 SGD
View
Price last confirmed 9 days ago
Retailer 17
-
$3,900 SGD
View
Price last confirmed 16 days ago
Retailer 18
-
$4,582 SGD
View
Price last confirmed 8 days ago
Retailer 19
-
$5,414 SGD
View
Price last confirmed 34 days ago
Retailer 20
-
$5,439 SGD
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
79a4d254-e2b8-42ea-af2a-64c905f47fae · Sep 29
$5,513 SGD
$4,316 USD
View
Price last confirmed 37 days ago
20 more retailers have this diamond
Prices start from $2,580 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.

B+
1.01ct Marquise
$2,580 SGD