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Marquise|Natural|GIA

1.03ct K SI1 Marquise Natural Diamond

K/SI1 • GIA 1555772513

Certificate GIA 1555772513

Diamond specifications and retailer prices

From $2,373 SGD
As of November 6, 2026
Save $3,596 SGD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,969 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 SI1 clarity (slightly-included) and certified by GIA 1555772513. Listed at 5 retailers as of November 5, 2026, with prices from $2,373 to $5,969, a $3,596 spread on the same certified stone. NZ Jewellers lists it at $5,969. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
K
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishGood
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1555772513
Dimensions9.66 × 5.20 × 3.42 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Needle
Top View
9.66 mm5.20 mm1.03 ctK / SI1
OriginNatural
PolishGood
SymmetryGood
FluorescenceStrong
CertificateGIA 1555772513
Side View
Table 59.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 65.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,969 SGD|Low: $2,372 SGD|High: $5,969 SGD|Avg: $3,585 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$2,373 SGD
Retailer 5$2,447 SGD
Retailer 4$2,560 SGD
Retailer 3$4,275 SGD
NZ Jewellers$5,969 SGD

16 data points across 5 retailers

5 retailers$2,373 SGD to $5,969 SGD

B+
Cheapest Retailer
-
$2,373 SGD
B+
Retailer 2
-
$2,447 SGD
View
B+
Retailer 3
-
$2,560 SGD
View
C
Retailer 4
-
$4,275 SGD
View
Most Expensive
C
NZ Jewellers
22dca734-e987-4622-a7f9-d55f4750ae2e · Nov 5
$5,969 SGD
$4,673 USD
View
4 more retailers have this diamond
Prices start from $2,373 SGDSave up to $3,596 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+
1.03ct Marquise
$2,373 SGD