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Marquise|Natural|GIA

0.70ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1543122309

Certificate GIA 1543122309

Diamond specifications and retailer prices

From £284 GBP
As of November 6, 2026
Save £1,745 GBP (86%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,029 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543122309. Listed at 7 retailers as of November 4, 2026, with prices from £284 to £2,029, a £1,745 spread on the same certified stone. MOH London lists it at £2,029. 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

0.70
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543122309
Dimensions9.96 × 4.52 × 2.66 mm
L/W Ratio2.20
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
9.96 mm4.52 mm0.70 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543122309
Side View
Table 61.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 59.0%

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: £2,029 GBP|Low: £284 GBP|High: £2,146 GBP|Avg: £1,464 GBP|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£284 GBP
Retailer 5£1,077 GBP
Retailer 6£1,145 GBP
Retailer 3£1,288 GBP
Retailer 7£1,423 GBP
Retailer 4£1,579 GBP
MOH London£2,029 GBP

15 data points across 7 retailers

7 retailers£284 GBP to £2,029 GBP

A
Cheapest Retailer
-
£284 GBP
B+
Retailer 2
-
£1,077 GBP
View
B+
Retailer 3
-
£1,145 GBP
View
B
Retailer 4
-
£1,288 GBP
View
B
Retailer 5
-
£1,423 GBP
View
B
Retailer 6
-
£1,579 GBP
View
Most Expensive
B
MOH London
7719FF4D9 · Nov 4
£2,029 GBP
View
6 more retailers have this diamond
Prices start from £284 GBPSave up to £1,745 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
0.70ct Marquise
£284 GBP