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Round|Natural|IGI

1.21ct G IF Round Natural Diamond

EX • G/IF • IGI 803643097

Shape and cutting style on the report: Round brilliant

Certificate IGI 803643097

Diamond specifications and retailer prices

From $5,953 AUD
As of November 6, 2026
Save $6,733 AUD (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $12,685 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 803643097. Listed at 5 retailers as of November 4, 2026, with prices from $5,953 to $12,685, a $6,733 spread on the same certified stone. MOH London lists it at $12,685. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 803643097
Dimensions6.73 × 6.77 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.73 mm6.77 mm1.21 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803643097
Side View
Table 56.0%Crown 36.6°Girdle: MED-STKPavilion 40.6°CuletDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $12,685 AUD|Low: $5,842 AUD|High: $12,685 AUD|Avg: $8,212 AUD|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$5,953 AUD
Retailer 5$6,525 AUD
Retailer 3$7,817 AUD
Retailer 4$8,460 AUD
MOH London$12,685 AUD

44 data points across 5 retailers

5 retailers$5,953 AUD to $12,685 AUD

A
Cheapest Retailer
-
$5,953 AUD
A
Retailer 2
-
$6,525 AUD
View
A
Retailer 3
-
$7,817 AUD
View
A
Retailer 4
-
$8,460 AUD
View
Most Expensive
B+
MOH London
D67694233 · Nov 4
$12,685 AUD
£6,863 GBP
View
4 more retailers have this diamond
Prices start from $5,953 AUDSave up to $6,733 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
1.21ct Round
$5,953 AUD