Marquise|Natural|GIA

1.03ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1543454523

Certificate GIA 1543454523

Diamond specifications and retailer prices

From $5,225 CAD
As of November 6, 2026
Save $4,409 CAD (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,437 CAD at NZ Jewellers · As of September 20, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543454523. Listed at 10 retailers as of November 2, 2026, with a 84% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.26°
Pavilion angle40.38°
OriginNatural
Grading LabGIA
CertificateGIA 1543454523
Dimensions10.15 × 5.29 × 3.30 mm
L/W Ratio1.92
Girdle conditionThick
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Cavity, Needle
Top View
10.15 mm5.29 mm1.03 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543454523
Side View
Table 61.0%Crown 36.26°GirdlePavilion 40.38°CuletDepth 62.4%

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 6
Current: $5,225 CAD|Low: $5,209 CAD|High: $9,947 CAD|Avg: $6,671 CAD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$5,225 CAD
Retailer 3$5,619 CAD
Retailer 2$5,642 CAD
Retailer 5$6,301 CAD
Retailer 4$9,634 CAD

44 data points across 5 retailers

10 retailers$5,225 CAD to $9,634 CAD

A
Cheapest Retailer
-
$5,225 CAD
B+
Retailer 2
-
$5,619 CAD
View
B+
Retailer 3
-
$5,642 CAD
View
Retailer 4
-
$5,877 CAD
View
Price last confirmed 36 days ago
Retailer 5
-
$5,877 CAD
View
Price last confirmed 30 days ago
Retailer 6
-
$5,990 CAD
View
Price last confirmed 44 days ago
Retailer 7
-
$6,301 CAD
View
Price last confirmed 33 days ago
B
Retailer 8
-
$9,634 CAD
View
Retailer 9
-
$10,240 CAD
View
Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
32dd2678-a98e-451e-9114-d73e996c069e · Sep 20
$10,437 CAD
$7,473 USD
View
Price last confirmed 46 days ago
9 more retailers have this diamond
Prices start from $5,225 CADSave up to $4,409 CAD

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
$5,225 CAD