Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 5553742617

Certificate GIA 5553742617

Diamond specifications and retailer prices

From $1,906 USD
As of November 3, 2026
Save $2,744 USD (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,650 USD at NZ Jewellers · As of November 3, 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 5553742617. Listed at 5 retailers as of November 3, 2026, with prices from $1,906 to $4,650, a $2,744 spread on the same certified stone. NZ Jewellers lists it at $4,650. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553742617
Dimensions9.80 × 4.89 × 3.07 mm
L/W Ratio2.00
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
9.80 mm4.89 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553742617
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 62.9%

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 3
Current: $4,650 USD|Low: $1,906 USD|High: $4,792 USD|Avg: $2,711 USD|-3.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$1,906 USD
Retailer 2$1,960 USD
Retailer 6$1,968 USD
Retailer 5$1,994 USD
Retailer 3$3,340 USD
NZ Jewellers$4,650 USD

29 data points across 6 retailers

5 retailers$1,906 USD to $4,650 USD

A
Cheapest Retailer
-
$1,906 USD
A
Retailer 2
-
$1,960 USD
View
B+
Retailer 3
-
$1,994 USD
View
B
Retailer 4
-
$3,340 USD
View
Most Expensive
B
NZ Jewellers
027db200-effb-4b16-ba56-876332b206e1 · Nov 3
$4,650 USD
View
4 more retailers have this diamond
Prices start from $1,906 USDSave up to $2,744 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.

A
1.03ct Marquise
$1,906 USD