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Marquise|Natural|GIA

0.70ct H SI2 Marquise Natural Diamond

ID • H/SI2 • GIA 6551933651

Certificate GIA 6551933651

Diamond specifications and retailer prices

From £621 GBP
HK$6,500 HKD
As of November 1, 2026
Save £431 GBP (41%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,052 GBP at 77 Diamonds · As of November 2, 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 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 6551933651. Listed at 8 retailers as of November 1, 2026, with prices from £621 to £1,052, a £431 spread on the same certified stone. 77 Diamonds lists it at £1,052. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6551933651
Dimensions8.72 × 4.51 × 2.90 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizeNone
Top View
8.72 mm4.51 mm0.70 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6551933651
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.4%

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: Nov 1
Current: £1,052 GBP|Low: £571 GBP|High: £1,287 GBP|Avg: £860 GBP|+1.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 4£571 GBP
Retailer 2£621 GBP
Retailer 7£732 GBP
Retailer 14£778 GBP
Retailer 5£781 GBP
Retailer 9£792 GBP
Retailer 8£813 GBP
Retailer 13£860 GBP
Retailer 10£873 GBP
Retailer 11£873 GBP
Retailer 12£903 GBP
77 Diamonds£1,052 GBP
Retailer 6£1,067 GBP
Retailer 3£1,287 GBP

35 data points across 14 retailers

8 retailers£621 GBP to £1,052 GBP

A
Cheapest Retailer
-
£621 GBP
HK$6,500 HKD
B+
Retailer 2
-
£732 GBP
SGD 1,325 SGD
View
B+
Retailer 3
-
£792 GBP
$1,061 USD
View
B+
Retailer 4
-
£813 GBP
$1,090 USD
View
B
Retailer 5
-
£873 GBP
$1,170 USD
View
B
Retailer 6
-
£873 GBP
$1,170 USD
View
B
Retailer 7
-
£903 GBP
$1,210 USD
View
Most Expensive
B
77 Diamonds
MQMBU7AVQVKM · Nov 2
£1,052 GBP
View
7 more retailers have this diamond
Prices start from £621 GBPSave up to £431 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
£621 GBP