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Marquise|Natural|GIA

1.71ct D SI2 Marquise Natural Diamond

ID • D/SI2 • GIA 5533790305

Certificate GIA 5533790305

Diamond specifications and retailer prices

From £9,247 GBP
As of November 1, 2026
Save £4,431 GBP (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £13,677 GBP at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5533790305. Listed at 6 retailers as of October 30, 2026, with prices from £9,247 to £13,677, a £4,431 spread on the same certified stone. NZ Jewellers lists it at £13,677. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.42°
Pavilion angle39.42°
OriginNatural
Grading LabGIA
CertificateGIA 5533790305
Dimensions12.31 × 6.40 × 3.81 mm
L/W Ratio1.92
Top View
12.31 mm6.40 mm1.71 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5533790305
Side View
Table 61.0%Crown 36.42°Girdle: STK-THKPavilion 39.42°Culet: NoneDepth 59.6%

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: £13,677 GBP|Low: £8,870 GBP|High: £14,264 GBP|Avg: £10,689 GBP|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8£8,870 GBP
Retailer 4£9,247 GBP
Retailer 5£9,662 GBP
Retailer 6£9,766 GBP
Retailer 7£9,813 GBP
Retailer 3£10,210 GBP
Retailer 10£10,471 GBP
Retailer 9£10,683 GBP
Retailer 11£10,902 GBP
Retailer 2£12,816 GBP
NZ Jewellers£13,677 GBP

32 data points across 11 retailers

6 retailers£9,247 GBP to £13,677 GBP

A
Cheapest Retailer
-
£9,247 GBP
B+
Retailer 2
-
£9,662 GBP
$12,946 USD
View
B+
Retailer 3
-
£9,766 GBP
$13,086 USD
View
B+
Retailer 4
-
£9,813 GBP
$13,148 USD
View
B
Retailer 5
-
£12,816 GBP
View
Most Expensive
B
NZ Jewellers
153864bd-53e8-4578-8e92-270038998171 · Oct 30
£13,677 GBP
$18,326 USD
View
5 more retailers have this diamond
Prices start from £9,247 GBPSave up to £4,431 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
1.71ct Marquise
£9,247 GBP