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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 7551216145

Certificate GIA 7551216145

Diamond specifications and retailer prices

From £1,716 GBP
$2,299 USD
As of October 28, 2026
Save £2,255 GBP (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,971 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551216145. Listed at 15 retailers as of October 27, 2026, with prices from £1,716 to £3,971, a £2,255 spread on the same certified stone. NZ Jewellers lists it at £3,971. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551216145
Dimensions10.46 × 5.15 × 3.15 mm
L/W Ratio2.03
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
10.46 mm5.15 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551216145
Side View
Table 61.0%CrownGirdle: Extremely ThickPavilionCulet: NoneDepth 61.3%

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: Oct 28
Current: £3,971 GBP|Low: £1,607 GBP|High: £3,971 GBP|Avg: £2,196 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
October 29, 2026
Retailer 13£1,716 GBP
Retailer 12£1,752 GBP
Retailer 15£1,774 GBP
Retailer 11£1,881 GBP
Retailer 8£1,889 GBP
Retailer 3£1,899 GBP
Retailer 4£1,899 GBP
Retailer 7£1,966 GBP
Retailer 5£1,987 GBP
Retailer 6£2,001 GBP
Retailer 2£2,024 GBP
Retailer 14£2,192 GBP
Retailer 9£2,369 GBP
Retailer 10£3,346 GBP
NZ Jewellers£3,971 GBP

33 data points across 15 retailers

15 retailers£1,716 GBP to £3,971 GBP

A
Cheapest Retailer
-
£1,716 GBP
$2,299 USD
A
Retailer 2
-
£1,752 GBP
$2,348 USD
View
Final sale: no returns
A
Retailer 3
-
£1,774 GBP
$2,377 USD
View
A
Retailer 4
-
£1,881 GBP
$2,520 USD
View
A
Retailer 5
-
£1,889 GBP
View
A
Retailer 6
-
£1,899 GBP
$2,545 USD
View
A
Retailer 7
-
£1,899 GBP
$2,545 USD
View
A
Retailer 8
-
£1,966 GBP
SGD 3,559 SGD
View
A
Retailer 9
-
£1,987 GBP
$2,663 USD
View
A
Retailer 10
-
£2,001 GBP
$2,681 USD
View
A
Retailer 11
-
£2,024 GBP
View
A
Retailer 12
-
£2,192 GBP
$2,937 USD
View
A
Retailer 13
-
£2,369 GBP
€3,023 EUR
View
B
Retailer 14
-
£3,346 GBP
View
Most Expensive
B
NZ Jewellers
861c4a32-fc9b-4e26-83d9-01959bbceb4a · Oct 27
£3,971 GBP
$5,321 USD
View
14 more retailers have this diamond
Prices start from £1,716 GBPSave up to £2,255 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
£1,716 GBP