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Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 1232479163

Certificate GIA 1232479163

Diamond specifications and retailer prices

From £1,768 GBP
As of November 1, 2026
Save £2,869 GBP (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,637 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232479163. Listed at 18 retailers as of November 1, 2026, with prices from £1,768 to £4,637, a £2,869 spread on the same certified stone. NZ Jewellers lists it at £4,637. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1232479163
Dimensions9.92 × 5.22 × 3.34 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional twinning wisps, clouds, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Crystal, Needle
Top View
9.92 mm5.22 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1232479163
Side View
Table 61.0%Crown 35.4°Girdle: MED-VTKPavilion 40.8°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,348 GBP|Low: £1,750 GBP|High: £3,754 GBP|Avg: £2,323 GBP|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 12£1,768 GBP
Retailer 11£1,800 GBP
Retailer 14£1,816 GBP
Retailer 5£1,887 GBP
Retailer 4£1,896 GBP
Retailer 2£1,976 GBP
Retailer 13£2,009 GBP
Retailer 10£2,279 GBP
Retailer 1£2,348 GBP
Retailer 6£2,575 GBP
Retailer 9£2,585 GBP
Retailer 7£2,707 GBP
Retailer 3£3,197 GBP
Retailer 8£3,699 GBP

38 data points across 14 retailers

18 retailers£1,768 GBP to £4,637 GBP

B+
Cheapest Retailer
-
£1,768 GBP
B+
Retailer 2
-
£1,800 GBP
View
B+
Retailer 3
-
£1,816 GBP
View
B+
Retailer 4
-
£1,887 GBP
View
B+
Retailer 5
-
£1,896 GBP
View
B
Retailer 6
-
£1,976 GBP
View
Retailer 7
-
£2,009 GBP
View
Price last confirmed 21 days ago
B
Retailer 8
-
£2,009 GBP
View
B+
Retailer 9
-
£2,086 GBP
View
B
Retailer 10
-
£2,279 GBP
View
B
Retailer 11
-
£2,318 GBP
View
B
Retailer 12
-
£2,348 GBP
View
Retailer 13
-
£2,575 GBP
View
Price last confirmed 22 days ago
B
Retailer 14
-
£2,585 GBP
View
B
Retailer 15
-
£2,707 GBP
View
B
Retailer 16
-
£3,197 GBP
View
B
Retailer 17
-
£3,699 GBP
View
Most Expensive
C
NZ Jewellers
bd753787-ef52-4c37-9e09-3e25303b4166 · Nov 5
£4,637 GBP
$6,241 USD
View
17 more retailers have this diamond
Prices start from £1,768 GBPSave up to £2,869 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.

B+
1.01ct Marquise
£1,768 GBP