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Marquise|Natural|EGLUSA

1.70ct H SI1 Marquise Natural Diamond

ID • H/SI1 • EGLUSA 926983201D

Certificate EGLUSA 926983201D

Diamond specifications and retailer prices

From £5,124 GBP
$6,865 USD
As of October 26, 2026
Save £5,821 GBP (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £10,944 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.7ct natural marquise diamond

This 1.7ct 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 926983201D. Listed at 8 retailers as of October 26, 2026, with prices from £5,124 to £10,944, a £5,821 spread on the same certified stone. NZ Jewellers lists it at £10,944. 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

1.70
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabEGLUSA
CertificateEGLUSA 926983201D
Dimensions11.32 × 6.10 × 4.00 mm
L/W Ratio1.86
Top View
11.32 mm6.10 mm1.70 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateEGLUSA 926983201D
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 65.6%

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: Oct 26
Current: £10,944 GBP|Low: £5,124 GBP|High: £10,944 GBP|Avg: £6,886 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£5,124 GBP
Retailer 8£5,408 GBP
Retailer 5£5,472 GBP
Retailer 6£5,928 GBP
Retailer 4£6,019 GBP
Retailer 7£6,840 GBP
Retailer 2£9,119 GBP
NZ Jewellers£10,944 GBP

22 data points across 8 retailers

8 retailers£5,124 GBP to £10,944 GBP

A
Cheapest Retailer
-
£5,124 GBP
$6,865 USD
B+
Retailer 2
-
£5,408 GBP
CA$10,063 CAD
View
B+
Retailer 3
-
£5,472 GBP
$7,332 USD
View
B+
Retailer 4
-
£5,928 GBP
$7,943 USD
View
B+
Retailer 5
-
£6,019 GBP
$8,065 USD
View
B+
Retailer 6
-
£6,840 GBP
$9,165 USD
View
B
Retailer 7
-
£9,119 GBP
View
Most Expensive
B
NZ Jewellers
a528dac1-9340-4fad-877e-2adf4da1529c · Oct 30
£10,944 GBP
$14,664 USD
View
7 more retailers have this diamond
Prices start from £5,124 GBPSave up to £5,821 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
1.70ct Marquise
£5,124 GBP