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Round|Natural|IGI

1.20ct I IF Round Natural Diamond

EX • I/IF • IGI 801638607

Shape and cutting style on the report: Round brilliant

Certificate IGI 801638607

Diamond specifications and retailer prices

From $5,574 AUD
As of November 6, 2026
Save $2,355 AUD (30%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,018 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 801638607. Listed at 10 retailers as of November 6, 2026, with a 42% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 801638607
Dimensions6.72 × 6.76 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.72 mm6.76 mm1.20 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 801638607
Side View
Table 56.0%Crown 36.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.5%

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: $9,018 AUD|Low: $4,849 AUD|High: $9,077 AUD|Avg: $6,300 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$4,849 AUD
Retailer 7$5,363 AUD
Retailer 3$5,673 AUD
Retailer 4$6,070 AUD
Retailer 6$6,332 AUD
Retailer 5$6,530 AUD
Retailer 2$7,929 AUD
MOH London$9,018 AUD

40 data points across 8 retailers

10 retailers$5,574 AUD to $7,929 AUD

Retailer 1
-
$4,762 AUD
Price last confirmed 7 days ago
Retailer 2
-
$4,849 AUD
View
Price last confirmed 7 days ago
Retailer 3
-
$5,257 AUD
View
Price last confirmed 9 days ago
Retailer 4
-
$5,363 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$5,574 AUD
View
Retailer 6
-
$5,673 AUD
View
Price last confirmed 7 days ago
Retailer 7
-
$6,070 AUD
View
Price last confirmed 7 days ago
Retailer 8
-
$6,530 AUD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$7,929 AUD
View
Most Expensive
MOH London
FE202423F · Oct 29
$9,018 AUD
£4,879 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $5,574 AUDSave up to $2,355 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
1.20ct Round
$5,574 AUD