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Marquise|Natural|GIA

1.71ct M SI2 Marquise Natural Diamond

EX • M/SI2 • GIA 2544335746

Certificate GIA 2544335746

Diamond specifications and retailer prices

From £2,991 GBP
As of November 6, 2026
Save £3,342 GBP (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,333 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.71ct natural marquise diamond

This 1.71ct natural marquise sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544335746. Listed at 7 retailers as of November 5, 2026, with prices from £2,991 to £6,333, a £3,342 spread on the same certified stone. NZ Jewellers lists it at £6,333. 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

1.71
Carat
M
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Pavilion angle38.53°
OriginNatural
Grading LabGIA
CertificateGIA 2544335746
Dimensions12.35 × 6.09 × 3.89 mm
L/W Ratio2.03
Key to symbols
Crystal, Feather, Needle
Top View
12.35 mm6.09 mm1.71 ctM / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2544335746
Side View
Table 57.0%CrownGirdle: STK-VTKPavilion 38.53°Culet: NoneDepth 63.9%

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 6
Current: £4,022 GBP|Low: £1,845 GBP|High: £4,506 GBP|Avg: £3,331 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6£1,845 GBP
Retailer 7£2,923 GBP
Retailer 5£2,991 GBP
Retailer 2£3,431 GBP
Retailer 3£3,612 GBP
Retailer 1£4,022 GBP
Retailer 4£4,506 GBP

18 data points across 7 retailers

7 retailers£2,991 GBP to £6,333 GBP

B+
Cheapest Retailer
-
£2,991 GBP
Retailer 2
-
£3,431 GBP
View
Price last confirmed 8 days ago
B
Retailer 3
-
£3,431 GBP
View
B
Retailer 4
-
£3,612 GBP
View
B
Retailer 5
-
£3,958 GBP
View
B
Retailer 6
-
£4,022 GBP
View
Most Expensive
C
NZ Jewellers
df33f408-4e29-4438-968d-482a83a29bcf · Nov 5
£6,333 GBP
$8,477 USD
View
6 more retailers have this diamond
Prices start from £2,991 GBPSave up to £3,342 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+
1.71ct Marquise
£2,991 GBP