Oval|Natural|HRD

1.25ct K SI2 Oval Natural Diamond

K/SI2 • HRD 190000166455

Certificate HRD 190000166455

Diamond specifications and retailer prices

From $4,357 AUD
As of November 6, 2026
Save $2,164 AUD (33%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,521 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.25ct natural oval diamond

This 1.25ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included) and certified by HRD 190000166455. Listed at 2 retailers as of November 4, 2026, with prices from $4,357 to $6,521, a $2,164 spread on the same certified stone. MOH London lists it at $6,521. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
K
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 190000166455
Dimensions8.99 × 5.95 × 3.11 mm
L/W Ratio1.51
Girdle conditionFaceted
Top View
8.99 mm5.95 mm1.25 ctK / SI2
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateHRD 190000166455
Side View
Table 58.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 52.3%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $6,521 AUD|Low: $3,863 AUD|High: $6,617 AUD|Avg: $4,926 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$3,863 AUD
Retailer 2$4,357 AUD
MOH London$6,521 AUD

23 data points across 3 retailers

2 retailers$4,357 AUD to $6,521 AUD

B
Cheapest Retailer
-
$4,357 AUD
Most Expensive
C
MOH London
9E5BDEE2F · Nov 4
$6,521 AUD
£3,528 GBP
View
1 more retailer has this diamond
Prices start from $4,357 AUDSave up to $2,164 AUD

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.

B
1.25ct Oval
$4,357 AUD