CaratHunter
Plans
Marquise|Natural|GIA

1.03ct K SI1 Marquise Natural Diamond

K/SI1 • GIA 1555772513

Certificate GIA 1555772513

Diamond specifications and retailer prices

From $1,858 USD
As of November 6, 2026
Save $2,815 USD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,673 USD 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 $1,858 to $4,673, a $2,815 spread on the same certified stone. NZ Jewellers lists it at $4,673. 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
Color
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: $4,673 USD|Low: $1,857 USD|High: $4,673 USD|Avg: $2,807 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$1,858 USD
Retailer 5$1,916 USD
Retailer 4$2,004 USD
Retailer 3$3,347 USD
NZ Jewellers$4,673 USD

16 data points across 5 retailers

5 retailers$1,858 USD to $4,673 USD

B+
Cheapest Retailer
-
$1,858 USD
B+
Retailer 2
-
$1,916 USD
View
B+
Retailer 3
-
$2,004 USD
View
C
Retailer 4
-
$3,347 USD
View
Most Expensive
C
NZ Jewellers
22dca734-e987-4622-a7f9-d55f4750ae2e · Nov 5
$4,673 USD
View
4 more retailers have this diamond
Prices start from $1,858 USDSave up to $2,815 USD

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
$1,858 USD