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Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

ID • K/SI2 • GIA 6541981418

Certificate GIA 6541981418

Diamond specifications and retailer prices

From $2,833 AUD
As of November 6, 2026
Save $3,400 AUD (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,233 AUD 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 6541981418. Listed at 9 retailers as of November 3, 2026, with prices from $2,833 to $6,233, a $3,400 spread on the same certified stone. NZ Jewellers lists it at $6,233. 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
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle39.46°
OriginNatural
Grading LabGIA
CertificateGIA 6541981418
Dimensions10.09 × 5.26 × 3.30 mm
L/W Ratio1.92
Top View
10.09 mm5.26 mm1.03 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541981418
Side View
Table 59.0%Crown 38.1°GirdlePavilion 39.46°CuletDepth 62.6%

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: $6,233 AUD|Low: $2,776 AUD|High: $6,395 AUD|Avg: $3,708 AUD|-2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$2,833 AUD
Retailer 7$2,934 AUD
Retailer 9$2,981 AUD
Retailer 8$3,028 AUD
Retailer 4$3,066 AUD
Retailer 6$3,118 AUD
Retailer 2$3,340 AUD
Retailer 5$5,223 AUD
NZ Jewellers$6,233 AUD

36 data points across 9 retailers

9 retailers$2,833 AUD to $6,233 AUD

A
Cheapest Retailer
-
$2,833 AUD
B+
Retailer 2
-
$2,934 AUD
View
B+
Retailer 3
-
$2,981 AUD
View
B+
Retailer 4
-
$3,028 AUD
View
B+
Retailer 5
-
$3,066 AUD
View
B+
Retailer 6
-
$3,118 AUD
View
B+
Retailer 7
-
$3,340 AUD
View
B
Retailer 8
-
$5,223 AUD
View
Most Expensive
B
NZ Jewellers
d6d2ef0e-144b-4ead-b255-fbc195abe7a2 · Nov 3
$6,233 AUD
$4,363 USD
View
8 more retailers have this diamond
Prices start from $2,833 AUDSave up to $3,400 AUD

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
$2,833 AUD