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Marquise|Natural|HRD

1.51ct I SI2 Marquise Natural Diamond

ID • I/SI2 • HRD 260000176562

Certificate HRD 260000176562

Diamond specifications and retailer prices

From $4,291 SGD
As of November 6, 2026
Save $5,019 SGD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,310 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000176562. Listed at 13 retailers as of November 4, 2026, with prices from $4,291 to $9,310, a $5,019 spread on the same certified stone. MOH London lists it at $9,310. 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

1.51
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 260000176562
Dimensions11.05 × 5.82 × 3.72 mm
L/W Ratio1.90
Top View
11.05 mm5.82 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateHRD 260000176562
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 64.0%

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 6
Current: $9,310 SGD|Low: $4,291 SGD|High: $9,901 SGD|Avg: $5,951 SGD|-4.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$4,291 SGD
Retailer 5$4,523 SGD
Retailer 6$5,284 SGD
Retailer 8$5,411 SGD
Retailer 2$5,601 SGD
Retailer 4$5,818 SGD
Retailer 7$5,862 SGD
Retailer 9$6,053 SGD
MOH London$9,310 SGD

40 data points across 9 retailers

13 retailers$4,291 SGD to $9,310 SGD

A
Cheapest Retailer
-
$4,291 SGD
A
Retailer 2
-
$4,523 SGD
View
A
Retailer 3
-
$5,284 SGD
View
B+
Retailer 4
-
$5,411 SGD
View
Final sale: no returns
A
Retailer 5
-
$5,601 SGD
View
A
Retailer 6
-
$5,818 SGD
View
Retailer 7
-
$5,862 SGD
View
Price last confirmed 31 days ago
B+
Retailer 8
-
$6,053 SGD
View
Retailer 9
-
$6,143 SGD
View
Price last confirmed 45 days ago
Retailer 10
-
$6,143 SGD
View
Price last confirmed 37 days ago
Retailer 11
-
$7,087 SGD
View
Price last confirmed 44 days ago
Retailer 12
-
$7,087 SGD
View
Price last confirmed 62 days ago
Most Expensive
B+
MOH London
16B7E54B9 · Nov 4
$9,310 SGD
£5,720 GBP
View
12 more retailers have this diamond
Prices start from $4,291 SGDSave up to $5,019 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.

A
1.51ct Marquise
$4,291 SGD