Marquise|Natural|HRD

1.51ct G SI2 Marquise Natural Diamond

ID • G/SI2 • HRD 260000171974

Certificate HRD 260000171974

Diamond specifications and retailer prices

From $3,377 USD
As of November 6, 2026
Save $3,616 USD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,993 USD at MOH London · As of November 2, 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 G 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 260000171974. Listed at 11 retailers as of November 2, 2026, with prices from $3,377 to $6,993, a $3,616 spread on the same certified stone. MOH London lists it at $6,993. 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
G
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabHRD
CertificateHRD 260000171974
Dimensions11.13 × 5.83 × 3.67 mm
L/W Ratio1.91
Top View
11.13 mm5.83 mm1.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateHRD 260000171974
Side View
Table 64.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $6,993 USD|Low: $3,377 USD|High: $7,151 USD|Avg: $4,443 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2$3,377 USD
Retailer 6$3,525 USD
Retailer 4$3,800 USD
Retailer 5$3,859 USD
Retailer 3$4,730 USD
MOH London$6,993 USD

39 data points across 6 retailers

11 retailers$3,377 USD to $6,993 USD

A
Cheapest Retailer
-
$3,377 USD
A
Retailer 2
-
$3,525 USD
View
A
Retailer 3
-
$3,800 USD
View
A
Retailer 4
-
$3,859 USD
View
Final sale: no returns
Retailer 5
-
$4,309 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$4,436 USD
View
Price last confirmed 44 days ago
Retailer 7
-
$4,436 USD
View
Price last confirmed 36 days ago
Retailer 8
-
$4,436 USD
View
Price last confirmed 36 days ago
A
Retailer 9
-
$4,730 USD
View
Retailer 10
-
$5,119 USD
View
Price last confirmed 43 days ago
Most Expensive
B+
MOH London
F2FA0631A · Nov 2
$6,993 USD
£5,506 GBP
View
10 more retailers have this diamond
Prices start from $3,377 USDSave up to $3,616 USD

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
$3,377 USD