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Marquise|Natural|GIA

0.70ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 6561655534

Certificate GIA 6561655534

Diamond specifications and retailer prices

From £861 GBP
As of November 4, 2026
Save £683 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,544 GBP at Helzberg Diamonds · As of November 6, 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 G 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 6561655534. Listed at 12 retailers as of November 4, 2026, with prices from £861 to £1,544, a £683 spread on the same certified stone. Helzberg Diamonds lists it at £1,544. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.16°
Pavilion angle38.75°
OriginNatural
Grading LabGIA
CertificateGIA 6561655534
Dimensions8.91 × 4.69 × 2.80 mm
L/W Ratio1.90
Culet sizeNone
Top View
8.91 mm4.69 mm0.70 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561655534
Side View
Table 59.0%Crown 35.16°Girdle: STK-VTKPavilion 38.75°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,544 GBP|Low: £861 GBP|High: £1,544 GBP|Avg: £1,116 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9£861 GBP
Retailer 6£870 GBP
Retailer 10£905 GBP
Retailer 11£938 GBP
Retailer 5£969 GBP
Retailer 7£1,056 GBP
Retailer 2£1,081 GBP
Retailer 3£1,234 GBP
Retailer 4£1,236 GBP
Retailer 8£1,388 GBP
Helzberg Diamonds£1,544 GBP

19 data points across 11 retailers

12 retailers£861 GBP to £1,544 GBP

B+
Cheapest Retailer
-
£861 GBP
B+
Retailer 2
-
£870 GBP
View
B+
Retailer 3
-
£882 GBP
View
B+
Retailer 4
-
£905 GBP
View
B+
Retailer 5
-
£938 GBP
View
B+
Retailer 6
-
£969 GBP
View
B
Retailer 7
-
£1,056 GBP
View
B+
Retailer 8
-
£1,081 GBP
View
B
Retailer 9
-
£1,234 GBP
View
B
Retailer 10
-
£1,236 GBP
View
B
Retailer 11
-
£1,388 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRMLMHMLLLJK · Nov 6
£1,544 GBP
$2,066 USD
View
11 more retailers have this diamond
Prices start from £861 GBPSave up to £683 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.

B+
0.70ct Marquise
£861 GBP