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Marquise|Natural|IGI

0.70ct G IF Marquise Natural Diamond

VG • G/IF • IGI 815676139

Certificate IGI 815676139

Diamond specifications and retailer prices

From £1,091 GBP
As of November 6, 2026
Save £752 GBP (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,843 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 0.7ct natural marquise diamond

This 0.7ct natural marquise sits in the half to three-quarter carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 815676139. Listed at 2 retailers as of November 5, 2026, with prices from £1,091 to £1,843, a £752 spread on the same certified stone. 77 Diamonds lists it at £1,843. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.70
Carat
G
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 815676139
Dimensions9.03 × 4.65 × 2.93 mm
L/W Ratio1.94
Top View
9.03 mm4.65 mm0.70 ctG / IF
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 815676139
Side View
Table 61.0%CrownGirdlePavilionCulet: MediumDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,843 GBP|Low: £876 GBP|High: £1,888 GBP|Avg: £1,446 GBP|-2.4%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 2£1,091 GBP
Retailer 3£1,476 GBP
77 Diamonds£1,843 GBP

34 data points across 3 retailers

2 retailers£1,091 GBP to £1,843 GBP

A
Cheapest Retailer
-
£1,091 GBP
Most Expensive
B
77 Diamonds
MQCP6SYB3X6S · Nov 5
£1,843 GBP
View
1 more retailer has this diamond
Prices start from £1,091 GBPSave up to £752 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
£1,091 GBP