CaratHunter
Plans
Radiant|Natural|HRD

1.31ct F SI2 Radiant Natural Diamond

F/SI2 • HRD 250000299234

Certificate HRD 250000299234

Diamond specifications and retailer prices

From $1,909 AUD
As of November 6, 2026
Save $2,689 AUD (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,599 AUD at MOH London · As of November 7, 2026
View at MOH London

About this 1.31ct natural radiant diamond

This 1.31ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included) and certified by HRD 250000299234. Listed at 4 retailers as of November 6, 2026, with prices from $1,909 to $4,599, a $2,689 spread on the same certified stone. MOH London lists it at $4,599. 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

1.31
Carat
F
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000299234
Dimensions6.91 × 5.34 × 3.82 mm
L/W Ratio1.29
Culet sizeNone
Top View
6.91 mm5.34 mm1.31 ctF / SI2
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000299234
Side View
Table 64.0%CrownGirdlePavilionCulet: NoneDepth 71.5%

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: $4,599 AUD|Low: $1,909 AUD|High: $4,680 AUD|Avg: $3,297 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 2$1,909 AUD
Retailer 4$2,927 AUD
Retailer 3$3,583 AUD
MOH London$4,599 AUD

42 data points across 4 retailers

4 retailers$1,909 AUD to $4,599 AUD

A
Cheapest Retailer
-
$1,909 AUD
B+
Retailer 2
-
$2,927 AUD
View
B+
Retailer 3
-
$3,583 AUD
View
Most Expensive
B+
MOH London
35BA5C4B7 · Nov 7
$4,599 AUD
£2,488 GBP
View
3 more retailers have this diamond
Prices start from $1,909 AUDSave up to $2,689 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.

A
1.31ct Radiant
$1,909 AUD