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Radiant|Natural|GIA

0.81ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 1497662019

Certificate GIA 1497662019

Diamond specifications and retailer prices

From $2,333 AUD
$1,635 USD
As of October 28, 2026
Save $2,011 AUD (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,344 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.81ct natural radiant diamond

This 0.81ct natural radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1497662019. Listed at 5 retailers as of October 28, 2026, with prices from $2,333 to $4,344, a $2,011 spread on the same certified stone. MOH London lists it at $4,344. 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

0.81
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1497662019
Dimensions5.39 × 5.20 × 3.68 mm
L/W Ratio1.04
Top View
5.39 mm5.20 mm0.81 ctF / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 1497662019
Side View
Table 83.0%CrownGirdle: ThickPavilionCulet: NoneDepth 70.7%

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: Oct 28
Current: $4,344 AUD|Low: $2,333 AUD|High: $4,396 AUD|Avg: $3,097 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$2,333 AUD
Retailer 6$2,501 AUD
Retailer 8$2,825 AUD
Retailer 7$2,930 AUD
Retailer 3$2,967 AUD
Retailer 5$3,313 AUD
Retailer 2$3,468 AUD
MOH London$4,344 AUD

30 data points across 8 retailers

5 retailers$2,333 AUD to $4,344 AUD

B+
Cheapest Retailer
-
$2,333 AUD
$1,635 USD
B
Retailer 2
-
$2,967 AUD
£1,637 GBP
View
Retailer 3
-
$3,313 AUD
View
Price last confirmed 27 days ago
B
Retailer 4
-
$3,468 AUD
€2,315 EUR
View
Most Expensive
B
MOH London
0E7DCD70A · Nov 1
$4,344 AUD
£2,397 GBP
View
4 more retailers have this diamond
Prices start from $2,333 AUDSave up to $2,011 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+
0.81ct Radiant
$2,333 AUD