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Marquise|Natural|GIA

1.00ct K SI2 Marquise Natural Diamond

ID • K/SI2 • GIA 7553268230

Certificate GIA 7553268230

Diamond specifications and retailer prices

From £817 GBP
As of November 6, 2026
Save £1,860 GBP (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,678 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 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 7553268230. Listed at 14 retailers as of November 5, 2026, with prices from £817 to £2,678, a £1,860 spread on the same certified stone. NZ Jewellers lists it at £2,678. 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
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7553268230
Dimensions9.54 × 5.30 × 3.11 mm
L/W Ratio1.80
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Indented Natural, Feather, Cavity, Needle, Natural
Top View
9.54 mm5.30 mm1.00 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7553268230
Side View
Table 61.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 58.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,141 GBP|Low: £817 GBP|High: £1,947 GBP|Avg: £1,288 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£817 GBP
Retailer 2£1,018 GBP
Retailer 8£1,120 GBP
Retailer 1£1,141 GBP
Retailer 9£1,198 GBP
Retailer 3£1,213 GBP
Retailer 10£1,306 GBP
Retailer 6£1,396 GBP
Retailer 5£1,528 GBP
Retailer 4£1,918 GBP

40 data points across 10 retailers

14 retailers£817 GBP to £2,678 GBP

A
Cheapest Retailer
-
£817 GBP
A
Retailer 2
-
£1,018 GBP
View
Retailer 3
-
£1,098 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£1,098 GBP
View
B+
Retailer 5
-
£1,141 GBP
View
B+
Retailer 6
-
£1,149 GBP
View
B+
Retailer 7
-
£1,198 GBP
View
A
Retailer 8
-
£1,213 GBP
View
B+
Retailer 9
-
£1,267 GBP
View
B+
Retailer 10
-
£1,396 GBP
View
B+
Retailer 11
-
£1,528 GBP
View
B+
Retailer 12
-
£1,578 GBP
View
B
Retailer 13
-
£1,918 GBP
View
Most Expensive
B
NZ Jewellers
2a836711-b754-4260-b468-1965efb65909 · Nov 5
£2,678 GBP
$3,604 USD
View
13 more retailers have this diamond
Prices start from £817 GBPSave up to £1,860 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.

A
1.00ct Marquise
£817 GBP