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Marquise|Natural|GIA

1.03ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2554426093

Certificate GIA 2554426093

Diamond specifications and retailer prices

From $1,938 USD
As of November 5, 2026
Save $2,549 USD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,487 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554426093. Listed at 13 retailers as of November 5, 2026, with prices from $1,938 to $4,487, a $2,549 spread on the same certified stone. NZ Jewellers lists it at $4,487. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554426093
Dimensions9.70 × 5.38 × 3.38 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural
Top View
9.70 mm5.38 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2554426093
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.8%

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 5
Current: $4,487 USD|Low: $1,938 USD|High: $4,695 USD|Avg: $2,568 USD|-4.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$1,938 USD
Retailer 2$2,082 USD
Retailer 3$2,133 USD
Retailer 12$2,146 USD
Retailer 8$2,165 USD
Retailer 4$2,171 USD
Retailer 9$2,245 USD
Retailer 5$2,319 USD
Retailer 6$2,331 USD
Retailer 10$2,476 USD
Retailer 7$3,750 USD
NZ Jewellers$4,487 USD

31 data points across 12 retailers

13 retailers$1,938 USD to $4,487 USD

A
Cheapest Retailer
-
$1,938 USD
A
Retailer 2
-
$2,082 USD
View
A
Retailer 3
-
$2,133 USD
View
A
Retailer 4
-
$2,146 USD
View
A
Retailer 5
-
$2,165 USD
View
Retailer 6
-
$2,171 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,245 USD
View
A
Retailer 8
-
$2,319 USD
View
A
Retailer 9
-
$2,331 USD
View
A
Retailer 10
-
$2,476 USD
View
Retailer 11
-
$2,792 USD
View
Price last confirmed 31 days ago
B+
Retailer 12
-
$3,750 USD
View
Most Expensive
B
NZ Jewellers
79f77207-86d8-4b91-b4d2-81c3930980de · Nov 5
$4,487 USD
View
12 more retailers have this diamond
Prices start from $1,938 USDSave up to $2,549 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
$1,938 USD