Oval|Natural|HRD

1.51ct K SI2 Oval Natural Diamond

ID • K/SI2 • HRD 220000073717

Shape and cutting style on the report: Oval (variation)

Certificate HRD 220000073717

Diamond specifications and retailer prices

From $1,997 USD
As of November 5, 2026
Save $7,117 USD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,114 USD at Allurez · As of November 5, 2026
View at Allurez

About this 1.51ct natural oval diamond

This 1.51ct natural oval 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 220000073717. Listed at 12 retailers as of November 5, 2026, with prices from $1,997 to $9,114, a $7,117 spread on the same certified stone. Allurez lists it at $9,114. 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
K
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 220000073717
Dimensions9.82 × 6.11 × 3.94 mm
L/W Ratio1.61
Girdle conditionFaceted
Culet sizeNone
Top View
9.82 mm6.11 mm1.51 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateHRD 220000073717
Side View
Table 64.0%CrownGirdle: MediumPavilionCulet: 0.0Depth 65.0%

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 5
Current: $9,114 USD|Low: $1,986 USD|High: $9,114 USD|Avg: $3,143 USD
Allurez
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 6, 2026
Retailer 7$1,997 USD
Retailer 5$2,109 USD
Retailer 9$2,115 USD
Retailer 13$2,115 USD
Retailer 4$2,139 USD
Retailer 10$2,212 USD
Retailer 3$2,253 USD
Retailer 14$2,290 USD
Retailer 11$2,440 USD
Retailer 2$2,872 USD
Retailer 6$3,380 USD
Retailer 8$3,704 USD
Retailer 12$4,421 USD
Allurez$9,114 USD

31 data points across 14 retailers

12 retailers$1,997 USD to $9,114 USD

A
Cheapest Retailer
-
$1,997 USD
Retailer 2
-
$2,115 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$2,115 USD
View
A
Retailer 4
-
$2,139 USD
View
A
Retailer 5
-
$2,212 USD
View
B+
Retailer 6
-
$2,253 USD
View
B+
Retailer 7
-
$2,290 USD
View
B+
Retailer 8
-
$2,440 USD
View
B+
Retailer 9
-
$2,872 USD
View
B+
Retailer 10
-
$3,704 USD
View
B+
Retailer 11
-
$4,421 USD
View
Most Expensive
C
Allurez
5441780 · Nov 5
$9,114 USD
View
11 more retailers have this diamond
Prices start from $1,997 USDSave up to $7,117 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 Oval
$1,997 USD