Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1553908245

Certificate GIA 1553908245

Diamond specifications and retailer prices

From $1,819 SGD
As of November 6, 2026
Save $4,140 SGD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,959 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553908245. Listed at 13 retailers as of November 5, 2026, with prices from $1,819 to $5,959, a $4,140 spread on the same certified stone. NZ Jewellers lists it at $5,959. 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

1.03
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553908245
Dimensions10.58 × 5.04 × 3.20 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
10.58 mm5.04 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553908245
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,819 SGD|Low: $1,819 SGD|High: $4,330 SGD|Avg: $2,794 SGD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$1,819 SGD
Retailer 5$2,468 SGD
Retailer 6$2,556 SGD
Retailer 2$2,636 SGD
Retailer 4$3,322 SGD
Retailer 3$4,267 SGD

40 data points across 6 retailers

13 retailers$1,819 SGD to $5,959 SGD

A
Cheapest Retailer
-
$1,819 SGD
B+
Retailer 2
-
$2,225 SGD
View
B+
Retailer 3
-
$2,443 SGD
View
Retailer 4
-
$2,443 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,468 SGD
View
B+
Retailer 6
-
$2,556 SGD
View
B+
Retailer 7
-
$2,618 SGD
View
B+
Retailer 8
-
$2,636 SGD
View
Retailer 9
-
$2,644 SGD
View
Price last confirmed 38 days ago
B+
Retailer 10
-
$2,819 SGD
View
B+
Retailer 11
-
$3,322 SGD
View
B
Retailer 12
-
$4,267 SGD
View
Most Expensive
C
NZ Jewellers
9e959da4-4d1d-4868-9b49-37089f90edb1 · Nov 5
$5,959 SGD
$4,665 USD
View
12 more retailers have this diamond
Prices start from $1,819 SGDSave up to $4,140 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
1.03ct Marquise
$1,819 SGD