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Oval|Natural|HRD

1.51ct I SI2 Oval Natural Diamond

ID • I/SI2 • HRD 260000139598

Certificate HRD 260000139598

Diamond specifications and retailer prices

From $2,772 SGD
As of November 6, 2026
Save $4,639 SGD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,411 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval 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 260000139598. Listed at 14 retailers as of November 5, 2026, with prices from $2,772 to $7,411, a $4,639 spread on the same certified stone. NZ Jewellers lists it at $7,411. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000139598
Dimensions9.09 × 6.30 × 4.02 mm
L/W Ratio1.44
Top View
9.09 mm6.30 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000139598
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 63.9%

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: $7,411 SGD|Low: $2,772 SGD|High: $7,411 SGD|Avg: $4,023 SGD
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
Retailer 14
November 6, 2026
Retailer 7$2,772 SGD
Retailer 11$3,223 SGD
Retailer 13$3,268 SGD
Retailer 5$3,273 SGD
Retailer 12$3,462 SGD
Retailer 9$3,545 SGD
Retailer 14$3,545 SGD
Retailer 3$3,682 SGD
Retailer 6$3,726 SGD
Retailer 2$3,794 SGD
Retailer 4$4,091 SGD
Retailer 8$4,128 SGD
Retailer 10$6,194 SGD
NZ Jewellers$7,411 SGD

38 data points across 14 retailers

14 retailers$2,772 SGD to $7,411 SGD

A
Cheapest Retailer
-
$2,772 SGD
A
Retailer 2
-
$3,223 SGD
View
A
Retailer 3
-
$3,268 SGD
View
A
Retailer 4
-
$3,273 SGD
View
Final sale: no returns
A
Retailer 5
-
$3,462 SGD
View
Retailer 6
-
$3,545 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,545 SGD
View
A
Retailer 8
-
$3,682 SGD
View
A
Retailer 9
-
$3,726 SGD
View
A
Retailer 10
-
$3,794 SGD
View
A
Retailer 11
-
$4,091 SGD
View
A
Retailer 12
-
$4,128 SGD
View
A
Retailer 13
-
$6,194 SGD
View
Most Expensive
B+
NZ Jewellers
b02110e8-cfc0-4c39-b929-5c38352b10bf · Nov 5
$7,411 SGD
$5,783 USD
View
13 more retailers have this diamond
Prices start from $2,772 SGDSave up to $4,639 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 Oval
$2,772 SGD