Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 1558044960

Certificate GIA 1558044960

Diamond specifications and retailer prices

From £1,501 GBP
As of November 6, 2026
21 retailers carry this diamond
Most expensive: £3,207 GBP at NZ Jewellers · As of September 29, 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 1558044960. Listed at 21 retailers as of November 6, 2026. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558044960
Dimensions9.52 × 5.14 × 3.37 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
9.52 mm5.14 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558044960
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £3,164 GBP|Low: £1,132 GBP|High: £3,641 GBP|Avg: £1,680 GBP|-13.1%
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 5£1,132 GBP
Retailer 17£1,227 GBP
Retailer 3£1,262 GBP
Retailer 15£1,265 GBP
Retailer 4£1,322 GBP
Retailer 8£1,346 GBP
Retailer 11£1,412 GBP
Retailer 9£1,441 GBP
Retailer 10£1,468 GBP
Retailer 13£1,484 GBP
Retailer 2£1,500 GBP
Retailer 6£1,527 GBP
Retailer 12£1,658 GBP
Retailer 18£1,892 GBP
Retailer 16£2,018 GBP
Retailer 7£2,268 GBP
Retailer 14£2,665 GBP
NZ Jewellers£3,164 GBP

23 data points across 18 retailers

21 retailers

Retailer 1
-
£1,132 GBP
Price last confirmed 7 days ago
Retailer 2
-
£1,216 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
£1,227 GBP
View
Price last confirmed 15 days ago
Retailer 4
-
£1,262 GBP
View
Price last confirmed 8 days ago
Retailer 5
-
£1,322 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
£1,346 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£1,412 GBP
View
Price last confirmed 8 days ago
Retailer 8
-
£1,441 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
£1,468 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
£1,484 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
£1,500 GBP
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£1,501 GBP
View
Retailer 13
-
£1,527 GBP
View
Price last confirmed 15 days ago
Retailer 14
-
£1,658 GBP
View
Price last confirmed 8 days ago
Retailer 15
-
£1,892 GBP
View
Price last confirmed 15 days ago
Retailer 16
-
£2,018 GBP
View
Price last confirmed 9 days ago
Retailer 17
-
£2,268 GBP
View
Price last confirmed 16 days ago
Retailer 18
-
£2,665 GBP
View
Price last confirmed 8 days ago
Retailer 19
-
£3,150 GBP
View
Price last confirmed 34 days ago
Retailer 20
-
£3,164 GBP
View
Price last confirmed 13 days ago
Most Expensive
NZ Jewellers
79a4d254-e2b8-42ea-af2a-64c905f47fae · Sep 29
£3,207 GBP
$4,316 USD
View
Price last confirmed 37 days ago
20 more retailers have this diamond
Prices start from £1,501 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
£1,501 GBP