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Marquise|Natural|GIA

0.71ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 6562602797

Certificate GIA 6562602797

Diamond specifications and retailer prices

From £858 GBP
As of November 4, 2026
Save £679 GBP (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,537 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 0.71ct natural marquise diamond

This 0.71ct 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 6562602797. Listed at 11 retailers as of November 4, 2026, with prices from £858 to £1,537, a £679 spread on the same certified stone. Helzberg Diamonds lists it at £1,537. 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

0.71
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.62°
Pavilion angle38.49°
OriginNatural
Grading LabGIA
CertificateGIA 6562602797
Dimensions8.82 × 4.64 × 2.85 mm
L/W Ratio1.90
Culet sizeNone
Top View
8.82 mm4.64 mm0.71 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6562602797
Side View
Table 59.0%Crown 38.62°Girdle: STK-THKPavilion 38.49°Culet: NoneDepth 61.4%

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: £1,537 GBP|Low: £858 GBP|High: £1,537 GBP|Avg: £1,093 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£858 GBP
Retailer 8£882 GBP
Retailer 10£903 GBP
Retailer 11£933 GBP
Retailer 5£965 GBP
Retailer 7£1,052 GBP
Retailer 2£1,076 GBP
Retailer 3£1,230 GBP
Retailer 4£1,232 GBP
Retailer 6£1,381 GBP
Helzberg Diamonds£1,537 GBP

18 data points across 11 retailers

11 retailers£858 GBP to £1,537 GBP

B+
Cheapest Retailer
-
£858 GBP
B+
Retailer 2
-
£882 GBP
View
B
Retailer 3
-
£903 GBP
View
B+
Retailer 4
-
£933 GBP
View
B+
Retailer 5
-
£965 GBP
View
B
Retailer 6
-
£1,052 GBP
View
B
Retailer 7
-
£1,076 GBP
View
B
Retailer 8
-
£1,230 GBP
View
B
Retailer 9
-
£1,232 GBP
View
B
Retailer 10
-
£1,381 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRMLMIMGINPN · Nov 6
£1,537 GBP
$2,057 USD
View
10 more retailers have this diamond
Prices start from £858 GBPSave up to £679 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+
0.71ct Marquise
£858 GBP