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Marquise|Natural|HRD

1.70ct K SI2 Marquise Natural Diamond

ID • K/SI2 • HRD 250000201330

Certificate HRD 250000201330

Diamond specifications and retailer prices

From $3,195 AUD
As of November 4, 2026
Save $4,862 AUD (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,057 AUD at NZ Jewellers · As of November 3, 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 K 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 HRD 250000201330. Listed at 13 retailers as of November 3, 2026, with prices from $3,195 to $8,057, a $4,862 spread on the same certified stone. NZ Jewellers lists it at $8,057. 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
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabHRD
CertificateHRD 250000201330
Dimensions11.85 × 6.19 × 3.92 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Top View
11.85 mm6.19 mm1.70 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateHRD 250000201330
Side View
Table 62.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,057 AUD|Low: $3,195 AUD|High: $8,606 AUD|Avg: $4,798 AUD|-6.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5$3,195 AUD
Retailer 9$3,615 AUD
Retailer 2$3,688 AUD
Retailer 7$3,854 AUD
Retailer 11$3,854 AUD
Retailer 8$4,002 AUD
Retailer 10$4,192 AUD
Retailer 3$4,446 AUD
Retailer 6$4,791 AUD
Retailer 4$6,733 AUD
NZ Jewellers$8,057 AUD

41 data points across 11 retailers

13 retailers$3,195 AUD to $8,057 AUD

A
Cheapest Retailer
-
$3,195 AUD
A
Retailer 2
-
$3,615 AUD
View
A
Retailer 3
-
$3,688 AUD
View
Retailer 4
-
$3,854 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$3,854 AUD
View
B+
Retailer 6
-
$3,916 AUD
View
A
Retailer 7
-
$4,002 AUD
View
Retailer 8
-
$4,084 AUD
View
Price last confirmed 21 days ago
A
Retailer 9
-
$4,192 AUD
View
A
Retailer 10
-
$4,446 AUD
View
A
Retailer 11
-
$4,791 AUD
View
B+
Retailer 12
-
$6,733 AUD
View
Most Expensive
B+
NZ Jewellers
bee72a7a-d2c9-4e86-b99f-dbf4a9f4c8c7 · Nov 3
$8,057 AUD
$5,536 USD
View
12 more retailers have this diamond
Prices start from $3,195 AUDSave up to $4,862 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
$3,195 AUD