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Radiant|Natural|HRD

1.28ct F SI2 Radiant Natural Diamond

F/SI2 • HRD 190000115921

Certificate HRD 190000115921

Diamond specifications and retailer prices

From $5,377 CAD
As of November 6, 2026
Save $2,770 CAD (34%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $8,148 CAD at MOH London · As of November 7, 2026
View at MOH London

About this 1.28ct natural radiant diamond

This 1.28ct 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 190000115921. Listed at 3 retailers as of November 6, 2026, with prices from $5,377 to $8,148, a $2,770 spread on the same certified stone. MOH London lists it at $8,148. 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

1.28
Carat
F
Color
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 190000115921
Dimensions7.41 × 5.31 × 4.01 mm
L/W Ratio1.40
Girdle conditionPolished
Top View
7.41 mm5.31 mm1.28 ctF / SI2
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateHRD 190000115921
Side View
Table 81.0%CrownGirdle: ThinPavilionCuletDepth 75.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,148 CAD|Low: $5,262 CAD|High: $8,289 CAD|Avg: $6,203 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 2$5,377 CAD
Retailer 5$5,417 CAD
Retailer 3$5,790 CAD
Retailer 4$6,220 CAD
MOH London$8,148 CAD

23 data points across 5 retailers

3 retailers$5,377 CAD to $8,148 CAD

B+
Cheapest Retailer
-
$5,377 CAD
B+
Retailer 2
-
$5,417 CAD
View
Most Expensive
C
MOH London
7A53B07AE · Nov 7
$8,148 CAD
£4,561 GBP
View
2 more retailers have this diamond
Prices start from $5,377 CADSave up to $2,770 CAD

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+
1.28ct Radiant
$5,377 CAD