Marquise|Natural|GIA

1.03ct K SI1 Marquise Natural Diamond

K/SI1 • GIA 1555772513

Certificate GIA 1555772513

Diamond specifications and retailer prices

From €1,664 EUR
As of November 6, 2026
Save €2,521 EUR (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €4,185 EUR 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 €1,664 to €4,185, a €2,521 spread on the same certified stone. NZ Jewellers lists it at €4,185. 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: €4,185 EUR|Low: €1,663 EUR|High: €4,185 EUR|Avg: €2,514 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2€1,664 EUR
Retailer 5€1,716 EUR
Retailer 4€1,795 EUR
Retailer 3€2,998 EUR
NZ Jewellers€4,185 EUR

16 data points across 5 retailers

5 retailers€1,664 EUR to €4,185 EUR

B+
Cheapest Retailer
-
€1,664 EUR
B+
Retailer 2
-
€1,716 EUR
View
B+
Retailer 3
-
€1,795 EUR
View
C
Retailer 4
-
€2,998 EUR
View
Most Expensive
C
NZ Jewellers
22dca734-e987-4622-a7f9-d55f4750ae2e · Nov 5
€4,185 EUR
$4,673 USD
View
4 more retailers have this diamond
Prices start from €1,664 EURSave up to €2,521 EUR

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
€1,664 EUR