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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 $9,773 AUD
$6,865 USD
As of October 26, 2026
Save $11,103 AUD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $20,876 AUD 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 $9,773 to $20,876, a $11,103 spread on the same certified stone. NZ Jewellers lists it at $20,876. 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: $20,876 AUD|Low: $9,773 AUD|High: $20,876 AUD|Avg: $13,135 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$9,773 AUD
Retailer 8$10,315 AUD
Retailer 5$10,438 AUD
Retailer 6$11,308 AUD
Retailer 4$11,481 AUD
Retailer 7$13,047 AUD
Retailer 2$17,394 AUD
NZ Jewellers$20,876 AUD

22 data points across 8 retailers

8 retailers$9,773 AUD to $20,876 AUD

A
Cheapest Retailer
-
$9,773 AUD
$6,865 USD
B+
Retailer 2
-
$10,315 AUD
CA$10,063 CAD
View
B+
Retailer 3
-
$10,438 AUD
$7,332 USD
View
B+
Retailer 4
-
$11,308 AUD
$7,943 USD
View
B+
Retailer 5
-
$11,481 AUD
$8,065 USD
View
B+
Retailer 6
-
$13,047 AUD
$9,165 USD
View
B
Retailer 7
-
$17,394 AUD
£9,621 GBP
View
Most Expensive
B
NZ Jewellers
a528dac1-9340-4fad-877e-2adf4da1529c · Oct 30
$20,876 AUD
$14,664 USD
View
7 more retailers have this diamond
Prices start from $9,773 AUDSave up to $11,103 AUD

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
$9,773 AUD