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Oval|Natural|HRD

1.50ct I SI1 Oval Natural Diamond

EX • I/SI1 • HRD 250000260815

Certificate HRD 250000260815

Diamond specifications and retailer prices

From $2,797 USD
As of November 6, 2026
Save $3,137 USD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,934 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded I 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 250000260815. Listed at 15 retailers as of November 5, 2026, with prices from $2,797 to $5,934, a $3,137 spread on the same certified stone. NZ Jewellers lists it at $5,934. 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

1.50
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000260815
Dimensions8.73 × 6.41 × 4.04 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeNone
Top View
8.73 mm6.41 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000260815
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.0%

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: Nov 6
Current: $5,934 USD|Low: $2,767 USD|High: $6,155 USD|Avg: $3,849 USD|-3.6%
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
November 6, 2026
Retailer 6$2,797 USD
Retailer 5$3,089 USD
Retailer 12$3,143 USD
Retailer 3$3,380 USD
Retailer 11$3,406 USD
Retailer 4$3,510 USD
Retailer 7$3,550 USD
Retailer 9$3,567 USD
Retailer 2$3,640 USD
Retailer 10$3,930 USD
Retailer 8$3,964 USD
Retailer 13$5,652 USD
NZ Jewellers$5,934 USD

29 data points across 13 retailers

15 retailers$2,797 USD to $5,934 USD

A
Cheapest Retailer
-
$2,797 USD
A
Retailer 2
-
$3,089 USD
View
A
Retailer 3
-
$3,143 USD
View
Final sale: no returns
A
Retailer 4
-
$3,304 USD
View
Retailer 5
-
$3,380 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$3,380 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$3,406 USD
View
A
Retailer 8
-
$3,510 USD
View
A
Retailer 9
-
$3,550 USD
View
A
Retailer 10
-
$3,567 USD
View
A
Retailer 11
-
$3,640 USD
View
A
Retailer 12
-
$3,930 USD
View
A
Retailer 13
-
$3,964 USD
View
B+
Retailer 14
-
$5,652 USD
View
Most Expensive
B+
NZ Jewellers
e0e8a802-ead3-4ff5-892f-53f91b1ca1ac · Nov 5
$5,934 USD
View
14 more retailers have this diamond
Prices start from $2,797 USDSave up to $3,137 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
1.50ct Oval
$2,797 USD