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Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1553908245

Certificate GIA 1553908245

Diamond specifications and retailer prices

From £1,058 GBP
As of November 6, 2026
Save £2,408 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,466 GBP 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 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 1553908245. Listed at 13 retailers as of November 5, 2026, with prices from £1,058 to £3,466, a £2,408 spread on the same certified stone. NZ Jewellers lists it at £3,466. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553908245
Dimensions10.58 × 5.04 × 3.20 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
10.58 mm5.04 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553908245
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.4%

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: £1,058 GBP|Low: £1,058 GBP|High: £2,519 GBP|Avg: £1,625 GBP|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1£1,058 GBP
Retailer 5£1,435 GBP
Retailer 6£1,487 GBP
Retailer 2£1,534 GBP
Retailer 4£1,933 GBP
Retailer 3£2,482 GBP

40 data points across 6 retailers

13 retailers£1,058 GBP to £3,466 GBP

A
Cheapest Retailer
-
£1,058 GBP
B+
Retailer 2
-
£1,294 GBP
View
B+
Retailer 3
-
£1,421 GBP
View
Retailer 4
-
£1,421 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,435 GBP
View
B+
Retailer 6
-
£1,487 GBP
View
B+
Retailer 7
-
£1,523 GBP
View
B+
Retailer 8
-
£1,534 GBP
View
Retailer 9
-
£1,538 GBP
View
Price last confirmed 38 days ago
B+
Retailer 10
-
£1,640 GBP
View
B+
Retailer 11
-
£1,933 GBP
View
B
Retailer 12
-
£2,482 GBP
View
Most Expensive
C
NZ Jewellers
9e959da4-4d1d-4868-9b49-37089f90edb1 · Nov 5
£3,466 GBP
$4,665 USD
View
12 more retailers have this diamond
Prices start from £1,058 GBPSave up to £2,408 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
£1,058 GBP