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Marquise|Natural|GIA

0.70ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1559484664

Certificate GIA 1559484664

Diamond specifications and retailer prices

From £402 GBP
SGD 727 SGD
As of October 31, 2026
Save £365 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £767 GBP at Frank Darling · As of November 2, 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 H 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 1559484664. Listed at 7 retailers as of October 31, 2026, with prices from £402 to £767, a £365 spread on the same certified stone. Frank Darling lists it at £767. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.62°
Pavilion angle38.45°
OriginNatural
Grading LabGIA
CertificateGIA 1559484664
Dimensions8.78 × 4.64 × 2.86 mm
L/W Ratio1.89
Culet sizeNone
Top View
8.78 mm4.64 mm0.70 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559484664
Side View
Table 61.0%Crown 39.62°Girdle: THN-VTKPavilion 38.45°Culet: NoneDepth 61.6%

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 31
Current: £767 GBP|Low: £306 GBP|High: £796 GBP|Avg: £576 GBP|-3.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10£306 GBP
Retailer 2£402 GBP
Retailer 8£450 GBP
Retailer 5£515 GBP
Retailer 6£540 GBP
Retailer 4£560 GBP
Retailer 7£585 GBP
Retailer 3£596 GBP
Retailer 11£687 GBP
Retailer 9£689 GBP
Frank Darling£767 GBP
Retailer 12£790 GBP

6 data points across 12 retailers

7 retailers£402 GBP to £767 GBP

A
Cheapest Retailer
-
£402 GBP
SGD 727 SGD
A
Retailer 2
-
£450 GBP
SGD 815 SGD
View
A
Retailer 3
-
£515 GBP
View
A
Retailer 4
-
£540 GBP
$723 USD
View
A
Retailer 5
-
£585 GBP
$784 USD
View
A
Retailer 6
-
£596 GBP
$799 USD
View
Most Expensive
B+
Frank Darling
2651903HK · Nov 2
£767 GBP
$1,027 USD
View
6 more retailers have this diamond
Prices start from £402 GBPSave up to £365 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
£402 GBP