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Marquise|Natural|GIA

0.70ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 7553694978

Certificate GIA 7553694978

Diamond specifications and retailer prices

From £403 GBP
As of November 5, 2026
Save £359 GBP (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £762 GBP at Frank Darling · As of November 4, 2026
View at Frank Darling

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 7553694978. Listed at 8 retailers as of November 4, 2026, with prices from £403 to £762, a £359 spread on the same certified stone. Frank Darling lists it at £762. 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
Crown angle39.59°
Pavilion angle41.48°
OriginNatural
Grading LabGIA
CertificateGIA 7553694978
Dimensions9.04 × 4.67 × 2.93 mm
L/W Ratio1.94
Culet sizeNone
Top View
9.04 mm4.67 mm0.70 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7553694978
Side View
Table 59.0%Crown 39.59°Girdle: THN-THKPavilion 41.48°Culet: NoneDepth 62.9%

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 5
Current: £762 GBP|Low: £294 GBP|High: £786 GBP|Avg: £563 GBP|-3.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10£294 GBP
Retailer 2£403 GBP
Retailer 6£445 GBP
Retailer 5£533 GBP
Retailer 9£549 GBP
Retailer 7£584 GBP
Retailer 3£624 GBP
Retailer 4£675 GBP
Retailer 8£730 GBP
Frank Darling£762 GBP

12 data points across 10 retailers

8 retailers£403 GBP to £762 GBP

A
Cheapest Retailer
-
£403 GBP
A
Retailer 2
-
£445 GBP
View
B+
Retailer 3
-
£533 GBP
View
B+
Retailer 4
-
£549 GBP
View
B+
Retailer 5
-
£584 GBP
View
A
Retailer 6
-
£624 GBP
View
B+
Retailer 7
-
£675 GBP
View
Most Expensive
B+
Frank Darling
2663146HK · Nov 4
£762 GBP
$1,020 USD
View
7 more retailers have this diamond
Prices start from £403 GBPSave up to £359 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
£403 GBP