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Marquise|Natural|GIA

0.70ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6552468417

Certificate GIA 6552468417

Diamond specifications and retailer prices

From £806 GBP
$1,080 USD
As of October 28, 2026
Save £638 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,443 GBP at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552468417. Listed at 12 retailers as of October 28, 2026, with prices from £806 to £1,443, a £638 spread on the same certified stone. Helzberg Diamonds lists it at £1,443. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.69°
Pavilion angle40.82°
OriginNatural
Grading LabGIA
CertificateGIA 6552468417
Dimensions8.71 × 4.56 × 2.94 mm
L/W Ratio1.91
Culet sizeNone
Top View
8.71 mm4.56 mm0.70 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552468417
Side View
Table 60.0%Crown 39.69°Girdle: STK-VTKPavilion 40.82°Culet: NoneDepth 64.5%

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: £1,443 GBP|Low: £806 GBP|High: £1,473 GBP|Avg: £1,044 GBP|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6£806 GBP
Retailer 8£815 GBP
Retailer 7£847 GBP
Retailer 11£878 GBP
Retailer 5£917 GBP
Retailer 9£992 GBP
Retailer 4£1,011 GBP
Retailer 2£1,166 GBP
Retailer 10£1,176 GBP
Retailer 3£1,309 GBP
Helzberg Diamonds£1,443 GBP

43 data points across 11 retailers

12 retailers£806 GBP to £1,443 GBP

A
Cheapest Retailer
-
£806 GBP
$1,080 USD
A
Retailer 2
-
£815 GBP
SGD 1,475 SGD
View
A
Retailer 3
-
£847 GBP
$1,135 USD
View
B+
Retailer 4
-
£878 GBP
SGD 1,589 SGD
View
B+
Retailer 5
-
£917 GBP
View
B+
Retailer 6
-
£992 GBP
$1,329 USD
View
B+
Retailer 7
-
£1,011 GBP
$1,354 USD
View
B+
Retailer 8
-
£1,134 GBP
$1,519 USD
View
B+
Retailer 9
-
£1,166 GBP
€1,488 EUR
View
B
Retailer 10
-
£1,176 GBP
$1,576 USD
View
B
Retailer 11
-
£1,309 GBP
$1,754 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLLIKMOKHN · Oct 30
£1,443 GBP
$1,934 USD
View
11 more retailers have this diamond
Prices start from £806 GBPSave up to £638 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
£806 GBP