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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 $3,352 NZD
As of November 6, 2026
Save $5,078 NZD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $8,430 NZD 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 $3,352 to $8,430, a $5,078 spread on the same certified stone. NZ Jewellers lists it at $8,430. 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: $8,430 NZD|Low: $3,350 NZD|High: $8,430 NZD|Avg: $5,064 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$3,352 NZD
Retailer 5$3,456 NZD
Retailer 4$3,615 NZD
Retailer 3$6,038 NZD
NZ Jewellers$8,430 NZD

16 data points across 5 retailers

5 retailers$3,352 NZD to $8,430 NZD

B+
Cheapest Retailer
-
$3,352 NZD
B+
Retailer 2
-
$3,456 NZD
View
B+
Retailer 3
-
$3,615 NZD
View
C
Retailer 4
-
$6,038 NZD
View
Most Expensive
C
NZ Jewellers
22dca734-e987-4622-a7f9-d55f4750ae2e · Nov 5
$8,430 NZD
$4,673 USD
View
4 more retailers have this diamond
Prices start from $3,352 NZDSave up to $5,078 NZD

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
$3,352 NZD