Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

ID • K/SI2 • GIA 6541981418

Certificate GIA 6541981418

Diamond specifications and retailer prices

From $1,983 USD
As of November 6, 2026
Save $2,380 USD (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,363 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 6541981418. Listed at 9 retailers as of November 3, 2026, with prices from $1,983 to $4,363, a $2,380 spread on the same certified stone. NZ Jewellers lists it at $4,363. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,363 USD|Low: $1,943 USD|High: $4,477 USD|Avg: $2,596 USD|-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$1,983 USD
Retailer 7$2,054 USD
Retailer 9$2,087 USD
Retailer 8$2,120 USD
Retailer 4$2,146 USD
Retailer 6$2,183 USD
Retailer 2$2,338 USD
Retailer 5$3,656 USD
NZ Jewellers$4,363 USD

36 data points across 9 retailers

9 retailers$1,983 USD to $4,363 USD

A
Cheapest Retailer
-
$1,983 USD
B+
Retailer 2
-
$2,054 USD
View
B+
Retailer 3
-
$2,087 USD
View
B+
Retailer 4
-
$2,120 USD
View
B+
Retailer 5
-
$2,146 USD
View
B+
Retailer 6
-
$2,183 USD
View
B+
Retailer 7
-
$2,338 USD
View
B
Retailer 8
-
$3,656 USD
View
Most Expensive
B
NZ Jewellers
d6d2ef0e-144b-4ead-b255-fbc195abe7a2 · Nov 3
$4,363 USD
View
8 more retailers have this diamond
Prices start from $1,983 USDSave up to $2,380 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
$1,983 USD