CaratHunter
Plans
Marquise|Natural|GIA

1.01ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1246050978

Certificate GIA 1246050978

Diamond specifications and retailer prices

From £1,565 GBP
As of November 6, 2026
Save £2,549 GBP (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,114 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246050978. Listed at 15 retailers as of November 5, 2026, with prices from £1,565 to £4,114, a £2,549 spread on the same certified stone. NZ Jewellers lists it at £4,114. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246050978
Dimensions10.24 × 5.25 × 3.31 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Top View
10.24 mm5.25 mm1.01 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246050978
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.1%

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 6
Current: £4,114 GBP|Low: £1,565 GBP|High: £4,114 GBP|Avg: £2,132 GBP
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
November 6, 2026
Retailer 4£1,565 GBP
Retailer 13£1,603 GBP
Retailer 11£1,646 GBP
Retailer 10£1,680 GBP
Retailer 7£1,782 GBP
Retailer 5£1,817 GBP
Retailer 12£1,865 GBP
Retailer 6£1,932 GBP
Retailer 14£1,932 GBP
Retailer 3£1,943 GBP
Retailer 15£2,057 GBP
Retailer 8£2,070 GBP
Retailer 2£2,294 GBP
Retailer 9£3,438 GBP
NZ Jewellers£4,114 GBP

42 data points across 15 retailers

15 retailers£1,565 GBP to £4,114 GBP

B+
Cheapest Retailer
-
£1,565 GBP
B+
Retailer 2
-
£1,603 GBP
View
B+
Retailer 3
-
£1,646 GBP
View
B+
Retailer 4
-
£1,680 GBP
View
B+
Retailer 5
-
£1,782 GBP
View
B+
Retailer 6
-
£1,817 GBP
View
B+
Retailer 7
-
£1,865 GBP
View
B
Retailer 8
-
£1,932 GBP
View
B
Retailer 9
-
£1,932 GBP
View
B
Retailer 10
-
£1,943 GBP
View
B
Retailer 11
-
£2,057 GBP
View
B
Retailer 12
-
£2,070 GBP
View
B
Retailer 13
-
£2,294 GBP
View
B
Retailer 14
-
£3,438 GBP
View
Most Expensive
C
NZ Jewellers
03816cb8-86a6-4406-9342-dcdf5771c93b · Nov 5
£4,114 GBP
$5,537 USD
View
14 more retailers have this diamond
Prices start from £1,565 GBPSave up to £2,549 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
£1,565 GBP