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Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6551278764

Certificate GIA 6551278764

Diamond specifications and retailer prices

From $1,455 SGD
As of November 6, 2026
Save $3,117 SGD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,571 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 6551278764. Listed at 17 retailers as of November 5, 2026, with prices from $1,455 to $4,571, a $3,117 spread on the same certified stone. NZ Jewellers lists it at $4,571. 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 6551278764
Dimensions10.35 × 5.16 × 3.31 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
10.35 mm5.16 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551278764
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 64.1%

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: $1,917 SGD|Low: $1,455 SGD|High: $3,301 SGD|Avg: $2,143 SGD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$1,455 SGD
Retailer 7$1,502 SGD
Retailer 1$1,917 SGD
Retailer 9$1,957 SGD
Retailer 2$1,961 SGD
Retailer 3$2,069 SGD
Retailer 5$2,069 SGD
Retailer 10$2,472 SGD
Retailer 4$2,595 SGD
Retailer 6$3,275 SGD

29 data points across 10 retailers

17 retailers$1,455 SGD to $4,571 SGD

A
Cheapest Retailer
-
$1,455 SGD
A
Retailer 2
-
$1,502 SGD
View
A
Retailer 3
-
$1,737 SGD
View
B+
Retailer 4
-
$1,874 SGD
View
Retailer 5
-
$1,874 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,917 SGD
View
A
Retailer 7
-
$1,957 SGD
View
B+
Retailer 8
-
$1,961 SGD
View
B+
Retailer 9
-
$1,999 SGD
View
B+
Retailer 10
-
$2,069 SGD
View
A
Retailer 11
-
$2,069 SGD
View
B+
Retailer 12
-
$2,162 SGD
View
B+
Retailer 13
-
$2,472 SGD
View
B+
Retailer 14
-
$2,595 SGD
View
B+
Retailer 15
-
$2,865 SGD
View
B+
Retailer 16
-
$3,275 SGD
View
Most Expensive
B
NZ Jewellers
bd7bb135-aa6a-4cf1-ab98-94b077c77aa8 · Nov 5
$4,571 SGD
$3,579 USD
View
16 more retailers have this diamond
Prices start from $1,455 SGDSave up to $3,117 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
$1,455 SGD