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Marquise|Natural|GIA

0.70ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 1545666798

Certificate GIA 1545666798

Diamond specifications and retailer prices

From £431 GBP
As of November 6, 2026
Save £1,401 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,832 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545666798. Listed at 14 retailers as of November 5, 2026, with prices from £431 to £1,832, a £1,401 spread on the same certified stone. NZ Jewellers lists it at £1,832. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1545666798
Dimensions8.62 × 4.56 × 2.94 mm
L/W Ratio1.89
Key to symbols
Crystal, Feather, Cloud
Top View
8.62 mm4.56 mm0.70 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1545666798
Side View
Table 63.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 64.4%

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: £1,832 GBP|Low: £431 GBP|High: £1,832 GBP|Avg: £757 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
November 6, 2026
Retailer 2£431 GBP
Retailer 3£439 GBP
Retailer 14£584 GBP
Retailer 5£598 GBP
Retailer 13£607 GBP
Retailer 8£611 GBP
Retailer 4£666 GBP
Retailer 6£669 GBP
Retailer 12£674 GBP
Retailer 9£702 GBP
Retailer 7£771 GBP
Retailer 11£824 GBP
Retailer 10£1,068 GBP
NZ Jewellers£1,832 GBP

27 data points across 14 retailers

14 retailers£431 GBP to £1,832 GBP

A
Cheapest Retailer
-
£431 GBP
A
Retailer 2
-
£439 GBP
View
A
Retailer 3
-
£584 GBP
View
A
Retailer 4
-
£598 GBP
View
A
Retailer 5
-
£607 GBP
View
A
Retailer 6
-
£611 GBP
View
B+
Retailer 7
-
£666 GBP
View
B+
Retailer 8
-
£669 GBP
View
B+
Retailer 9
-
£674 GBP
View
B+
Retailer 10
-
£702 GBP
View
B+
Retailer 11
-
£771 GBP
View
B+
Retailer 12
-
£824 GBP
View
B
Retailer 13
-
£1,068 GBP
View
Most Expensive
B
NZ Jewellers
a341cf93-f636-43e5-b60b-7198938f2e59 · Nov 5
£1,832 GBP
$2,452 USD
View
13 more retailers have this diamond
Prices start from £431 GBPSave up to £1,401 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
£431 GBP