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Marquise|Natural|GIA

0.71ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2554498057

Certificate GIA 2554498057

Diamond specifications and retailer prices

From £669 GBP
As of November 6, 2026
Save £984 GBP (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,654 GBP at MOH London · As of November 4, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554498057. Listed at 12 retailers as of November 4, 2026, with prices from £669 to £1,654, a £984 spread on the same certified stone. MOH London lists it at £1,654. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2554498057
Dimensions9.06 × 4.72 × 2.98 mm
L/W Ratio1.92
Key to symbols
Twinning Wisp, Feather
Top View
9.06 mm4.72 mm0.71 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554498057
Side View
Table 56.0%Crown 34.6°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.1%

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 6
Current: £1,654 GBP|Low: £640 GBP|High: £1,734 GBP|Avg: £1,102 GBP|-4.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9£669 GBP
Retailer 11£867 GBP
Retailer 7£905 GBP
Retailer 3£935 GBP
Retailer 10£941 GBP
Retailer 12£1,006 GBP
Retailer 5£1,023 GBP
Retailer 8£1,074 GBP
Retailer 4£1,223 GBP
Retailer 2£1,259 GBP
Retailer 6£1,352 GBP
MOH London£1,654 GBP

45 data points across 12 retailers

12 retailers£669 GBP to £1,654 GBP

A
Cheapest Retailer
-
£669 GBP
B
Retailer 2
-
£867 GBP
View
Retailer 3
-
£905 GBP
View
Price last confirmed 9 days ago
Retailer 4
-
£935 GBP
View
Price last confirmed 11 days ago
B
Retailer 5
-
£941 GBP
View
B
Retailer 6
-
£1,006 GBP
View
B
Retailer 7
-
£1,023 GBP
View
B
Retailer 8
-
£1,074 GBP
View
Retailer 9
-
£1,223 GBP
View
Price last confirmed 34 days ago
B
Retailer 10
-
£1,259 GBP
View
B
Retailer 11
-
£1,352 GBP
View
Most Expensive
B
MOH London
597013A92 · Nov 4
£1,654 GBP
View
11 more retailers have this diamond
Prices start from £669 GBPSave up to £984 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
0.71ct Marquise
£669 GBP