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Round|Natural|IGI

1.21ct G IF Round Natural Diamond

VG • G/IF • IGI 839699655

Shape and cutting style on the report: Round brilliant

Certificate IGI 839699655

Diamond specifications and retailer prices

From $6,555 AUD
As of November 6, 2026
Save $6,195 AUD (49%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $12,750 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 very-good cut grade and certified by IGI 839699655. Listed at 4 retailers as of November 4, 2026, with prices from $6,555 to $12,750, a $6,195 spread on the same certified stone. MOH London lists it at $12,750. 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

1.21
Carat
G
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 839699655
Dimensions6.85 × 6.87 × 4.18 mm
L/W Ratio1.00
Top View
6.85 mm6.87 mm1.21 ctG / IF
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 839699655
Side View
Table 63.0%Crown 37°Girdle: THN-MEDPavilion 41.5°CuletDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $12,750 AUD|Low: $6,555 AUD|High: $12,920 AUD|Avg: $8,927 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$6,555 AUD
Retailer 2$7,855 AUD
Retailer 3$8,534 AUD
MOH London$12,750 AUD

23 data points across 4 retailers

4 retailers$6,555 AUD to $12,750 AUD

A
Cheapest Retailer
-
$6,555 AUD
A
Retailer 2
-
$7,855 AUD
View
A
Retailer 3
-
$8,534 AUD
View
Most Expensive
B
MOH London
29C2B866B · Nov 4
$12,750 AUD
£6,898 GBP
View
3 more retailers have this diamond
Prices start from $6,555 AUDSave up to $6,195 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
$6,555 AUD