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Marquise|Natural|EGLUSA

1.71ct H SI1 Marquise Natural Diamond

ID • H/SI1 • EGLUSA 927067203D

Certificate EGLUSA 927067203D

Diamond specifications and retailer prices

From £4,963 GBP
$6,660 USD
As of October 26, 2026
Save £5,637 GBP (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £10,600 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by EGLUSA 927067203D. Listed at 8 retailers as of October 26, 2026, with prices from £4,963 to £10,600, a £5,637 spread on the same certified stone. NZ Jewellers lists it at £10,600. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabEGLUSA
CertificateEGLUSA 927067203D
Dimensions11.01 × 6.03 × 4.09 mm
L/W Ratio1.83
Top View
11.01 mm6.03 mm1.71 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateEGLUSA 927067203D
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 67.8%

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: Oct 26
Current: £10,600 GBP|Low: £4,963 GBP|High: £10,600 GBP|Avg: £6,728 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£4,963 GBP
Retailer 5£5,234 GBP
Retailer 7£5,301 GBP
Retailer 6£5,742 GBP
Retailer 4£5,830 GBP
Retailer 8£6,625 GBP
Retailer 2£8,833 GBP
NZ Jewellers£10,600 GBP

20 data points across 8 retailers

8 retailers£4,963 GBP to £10,600 GBP

A
Cheapest Retailer
-
£4,963 GBP
$6,660 USD
A
Retailer 2
-
£5,234 GBP
CA$9,755 CAD
View
B+
Retailer 3
-
£5,301 GBP
$7,113 USD
View
B+
Retailer 4
-
£5,742 GBP
$7,705 USD
View
B+
Retailer 5
-
£5,830 GBP
$7,824 USD
View
B+
Retailer 6
-
£6,625 GBP
$8,891 USD
View
B
Retailer 7
-
£8,833 GBP
View
Most Expensive
B
NZ Jewellers
760ea5f4-9e3b-4003-b5e8-d025afc46689 · Oct 30
£10,600 GBP
$14,225 USD
View
7 more retailers have this diamond
Prices start from £4,963 GBPSave up to £5,637 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
£4,963 GBP