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Marquise|Natural|GIA

1.01ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 2151015337

Certificate GIA 2151015337

Diamond specifications and retailer prices

From £1,502 GBP
As of November 6, 2026
Save £2,337 GBP (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,839 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 2151015337. Listed at 12 retailers as of November 5, 2026, with prices from £1,502 to £3,839, a £2,337 spread on the same certified stone. NZ Jewellers lists it at £3,839. 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
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2151015337
Dimensions9.81 × 4.75 × 3.59 mm
L/W Ratio2.07
Top View
9.81 mm4.75 mm1.01 ctK / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2151015337
Side View
Table 51.0%CrownGirdle: ThinPavilionCulet: NoneDepth 75.7%

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: £3,839 GBP|Low: £1,480 GBP|High: £3,839 GBP|Avg: £2,086 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
November 6, 2026
Retailer 13£1,502 GBP
Retailer 12£1,545 GBP
Retailer 3£1,622 GBP
Retailer 10£1,664 GBP
Retailer 11£1,664 GBP
Retailer 5£1,702 GBP
Retailer 8£1,740 GBP
Retailer 2£1,878 GBP
Retailer 9£1,919 GBP
Retailer 4£2,184 GBP
Retailer 6£2,280 GBP
Retailer 7£3,208 GBP
NZ Jewellers£3,839 GBP

22 data points across 13 retailers

12 retailers£1,502 GBP to £3,839 GBP

B+
Cheapest Retailer
-
£1,502 GBP
Retailer 2
-
£1,545 GBP
View
Price last confirmed 30 days ago
B+
Retailer 3
-
£1,622 GBP
View
B+
Retailer 4
-
£1,664 GBP
View
Retailer 5
-
£1,664 GBP
View
Price last confirmed 25 days ago
B
Retailer 6
-
£1,702 GBP
View
B
Retailer 7
-
£1,740 GBP
View
B
Retailer 8
-
£1,878 GBP
View
B
Retailer 9
-
£1,919 GBP
View
B
Retailer 10
-
£2,280 GBP
View
C
Retailer 11
-
£3,208 GBP
View
Most Expensive
C
NZ Jewellers
c98f2fa8-370e-4813-9564-951e38d92dec · Nov 5
£3,839 GBP
$5,167 USD
View
11 more retailers have this diamond
Prices start from £1,502 GBPSave up to £2,337 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
£1,502 GBP