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Marquise|Natural|GIA

1.00ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2567097292

Certificate GIA 2567097292

Diamond specifications and retailer prices

From £2,224 GBP
As of November 5, 2026
Save £2,956 GBP (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,180 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567097292. Listed at 23 retailers as of November 5, 2026, with prices from £2,224 to £5,180, a £2,956 spread on the same certified stone. NZ Jewellers lists it at £5,180. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2567097292
Dimensions10.32 × 5.19 × 3.26 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
10.32 mm5.19 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2567097292
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.8%

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 5
Current: £5,180 GBP|Low: £2,224 GBP|High: £5,180 GBP|Avg: £3,388 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
November 5, 2026
Retailer 6£2,224 GBP
Retailer 2£2,882 GBP
Retailer 3£2,973 GBP
Retailer 10£2,973 GBP
Retailer 12£2,973 GBP
Retailer 7£3,011 GBP
Retailer 11£3,054 GBP
Retailer 4£3,155 GBP
Retailer 8£3,270 GBP
Retailer 5£3,629 GBP
Retailer 9£4,971 GBP
NZ Jewellers£5,180 GBP

28 data points across 12 retailers

23 retailers£2,224 GBP to £5,180 GBP

B+
Cheapest Retailer
-
£2,224 GBP
B+
Retailer 2
-
£2,363 GBP
View
Final sale: no returns
B+
Retailer 3
-
£2,471 GBP
View
B
Retailer 4
-
£2,539 GBP
View
B
Retailer 5
-
£2,539 GBP
View
B
Retailer 6
-
£2,616 GBP
View
B
Retailer 7
-
£2,761 GBP
View
B
Retailer 8
-
£2,835 GBP
View
B+
Retailer 9
-
£2,882 GBP
View
B
Retailer 10
-
£2,973 GBP
View
B
Retailer 11
-
£2,973 GBP
View
Retailer 12
-
£2,973 GBP
View
Price last confirmed 7 days ago
B
Retailer 13
-
£3,011 GBP
View
B
Retailer 14
-
£3,054 GBP
View
Retailer 15
-
£3,150 GBP
View
Price last confirmed 40 days ago
B
Retailer 16
-
£3,155 GBP
View
B
Retailer 17
-
£3,173 GBP
View
B
Retailer 18
-
£3,179 GBP
View
B
Retailer 19
-
£3,270 GBP
View
B
Retailer 20
-
£3,430 GBP
View
B
Retailer 21
-
£3,629 GBP
View
B
Retailer 22
-
£4,971 GBP
View
Most Expensive
B
NZ Jewellers
46e01245-e70c-4256-b744-3a87b7524359 · Nov 5
£5,180 GBP
$6,972 USD
View
22 more retailers have this diamond
Prices start from £2,224 GBPSave up to £2,956 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+
1.00ct Marquise
£2,224 GBP