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Marquise|Natural|HRD

1.70ct H SI1 Marquise Natural Diamond

ID • H/SI1 • HRD 260000210605

Certificate HRD 260000210605

Diamond specifications and retailer prices

From $10,660 SGD
₹793,810 INR
As of November 2, 2026
Save $8,983 SGD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $19,643 SGD 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 stated by the retailer rather than the lab and certified by HRD 260000210605. Listed at 15 retailers as of October 30, 2026, with prices from $10,660 to $19,643, a $8,983 spread on the same certified stone. NZ Jewellers lists it at $19,643. 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 (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000210605
Dimensions11.58 × 6.08 × 3.70 mm
L/W Ratio1.90
Top View
11.58 mm6.08 mm1.70 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000210605
Side View
Table 59.0%CrownGirdle: THIPavilionCulet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $19,643 SGD|Low: $10,660 SGD|High: $19,643 SGD|Avg: $13,923 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 2$10,660 SGD
Retailer 11$11,436 SGD
Retailer 10$11,932 SGD
Retailer 12$12,068 SGD
Retailer 13$12,613 SGD
Retailer 8$12,879 SGD
Retailer 6$13,009 SGD
Retailer 14$13,009 SGD
Retailer 7$13,533 SGD
Retailer 4$14,093 SGD
Retailer 3$14,310 SGD
Retailer 5$16,261 SGD
Retailer 9$18,407 SGD
NZ Jewellers$19,643 SGD

24 data points across 14 retailers

15 retailers$10,660 SGD to $19,643 SGD

B+
Cheapest Retailer
-
$10,660 SGD
₹793,810 INR
B+
Retailer 2
-
$11,436 SGD
$8,942 USD
View
B+
Retailer 3
-
$11,932 SGD
$9,330 USD
View
B+
Retailer 4
-
$12,068 SGD
$9,436 USD
View
B+
Retailer 5
-
$12,613 SGD
$9,862 USD
View
B+
Retailer 6
-
$12,879 SGD
£7,929 GBP
View
B+
Retailer 7
-
$13,009 SGD
$10,172 USD
View
B
Retailer 8
-
$13,009 SGD
$10,172 USD
View
Final sale: no returns
B
Retailer 9
-
$13,533 SGD
€10,078 EUR
View
B+
Retailer 10
-
$14,093 SGD
$11,020 USD
View
B+
Retailer 11
-
$14,310 SGD
$11,189 USD
View
B
Retailer 12
-
$14,422 SGD
$11,277 USD
View
B
Retailer 13
-
$16,261 SGD
$12,715 USD
View
B
Retailer 14
-
$18,407 SGD
£11,333 GBP
View
Most Expensive
B
NZ Jewellers
e3c97117-85d7-49aa-857d-97f9825d88c3 · Oct 30
$19,643 SGD
$15,359 USD
View
14 more retailers have this diamond
Prices start from $10,660 SGDSave up to $8,983 SGD

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.

B+
1.70ct Marquise
$10,660 SGD