CaratHunter
Plans
Marquise|Natural|HRD

1.51ct H SI2 Marquise Natural Diamond

EX • H/SI2 • HRD 260000033143

Certificate HRD 260000033143

Diamond specifications and retailer prices

From $3,189 USD
SGD 4,310 SGD
As of October 31, 2026
Save $2,585 USD (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,775 USD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded H 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 260000033143. Listed at 5 retailers as of October 27, 2026, with prices from $3,189 to $5,775, a $2,585 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,775. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.81°
Pavilion angle42.23°
OriginNatural
Grading LabHRD
CertificateHRD 260000033143
Dimensions11.46 × 6.06 × 3.77 mm
L/W Ratio1.89
Culet sizePointed
Top View
11.46 mm6.06 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 260000033143
Side View
Table 63.0%Crown 35.81°Girdle: MediumPavilion 42.23°Culet: NoneDepth 62.2%

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 31
Current: $3,189 USD|Low: $2,633 USD|High: $6,262 USD|Avg: $4,206 USD|-7.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
October 24, 2026
Retailer 5$2,633 USD
Retailer 1$3,189 USD
Retailer 3$3,376 USD
Retailer 4$4,062 USD
Retailer 2$4,160 USD
Retailer 6$5,346 USD
Wholesale Diamonds Direct$5,775 USD

21 data points across 7 retailers

5 retailers$3,189 USD to $5,775 USD

A
Cheapest Retailer
-
$3,189 USD
SGD 4,310 SGD
A
Retailer 2
-
$3,376 USD
View
A
Retailer 3
-
$4,062 USD
View
Retailer 4
-
$4,160 USD
€3,962 EUR
View
Price last confirmed 10 days ago
Most Expensive
A
Wholesale Diamonds Direct
586833180 · Oct 27
$5,775 USD
View
4 more retailers have this diamond
Prices start from $3,189 USDSave up to $2,585 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
$3,189 USD