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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 £1,473 GBP
As of November 6, 2026
Save £1,768 GBP (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,242 GBP 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 £1,473 to £3,242, a £1,768 spread on the same certified stone. NZ Jewellers lists it at £3,242. 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: £3,242 GBP|Low: £1,444 GBP|High: £3,326 GBP|Avg: £1,929 GBP|-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£1,473 GBP
Retailer 7£1,526 GBP
Retailer 9£1,551 GBP
Retailer 8£1,575 GBP
Retailer 4£1,594 GBP
Retailer 6£1,622 GBP
Retailer 2£1,737 GBP
Retailer 5£2,716 GBP
NZ Jewellers£3,242 GBP

36 data points across 9 retailers

9 retailers£1,473 GBP to £3,242 GBP

A
Cheapest Retailer
-
£1,473 GBP
B+
Retailer 2
-
£1,526 GBP
View
B+
Retailer 3
-
£1,551 GBP
View
B+
Retailer 4
-
£1,575 GBP
View
B+
Retailer 5
-
£1,594 GBP
View
B+
Retailer 6
-
£1,622 GBP
View
B+
Retailer 7
-
£1,737 GBP
View
B
Retailer 8
-
£2,716 GBP
View
Most Expensive
B
NZ Jewellers
d6d2ef0e-144b-4ead-b255-fbc195abe7a2 · Nov 3
£3,242 GBP
$4,363 USD
View
8 more retailers have this diamond
Prices start from £1,473 GBPSave up to £1,768 GBP

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
£1,473 GBP