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Round|Lab Grown|IGI

1.23ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG628409000

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628409000

Diamond specifications and retailer prices

From $325 AUD
As of November 5, 2026
Save $2,790 AUD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,115 AUD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628409000 or 628409000. Listed at 20 retailers as of November 5, 2026, with prices from $325 to $3,115, a $2,790 spread on the same certified stone. Do Amore Diamonds lists it at $3,115. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628409000
Dimensions6.86 × 6.80 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.86 mm6.80 mm1.23 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628409000
Side View
Table 57.0%Crown 36.1°Girdle: MediumPavilion 40.3°Culet: NoneDepth 62.0%

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 5
Current: $3,115 AUD|Low: $320 AUD|High: $3,115 AUD|Avg: $1,022 AUD
Do Amore Diamonds
Retailer 2
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Retailer 19
November 6, 2026
Retailer 19$325 AUD
Retailer 6$362 AUD
Retailer 3$377 AUD
Retailer 4$403 AUD
Retailer 18$403 AUD
Retailer 9$541 AUD
Retailer 5$722 AUD
Retailer 10$739 AUD
Retailer 7$755 AUD
Retailer 16$767 AUD
Retailer 2$830 AUD
Retailer 14$1,089 AUD
Retailer 15$1,137 AUD
Retailer 17$1,289 AUD
Retailer 13$1,615 AUD
Retailer 11$1,678 AUD
Retailer 12$1,777 AUD
Retailer 8$1,844 AUD
Do Amore Diamonds$3,115 AUD

34 data points across 19 retailers

20 retailers$325 AUD to $3,115 AUD

A
Cheapest Retailer
-
$325 AUD
A
Retailer 2
-
$362 AUD
View
Final sale: no returns
A
Retailer 3
-
$377 AUD
View
A
Retailer 4
-
$403 AUD
View
A
Retailer 5
-
$541 AUD
View
Retailer 6
-
$614 AUD
View
Price last confirmed 64 days ago
A
Retailer 7
-
$739 AUD
View
A
Retailer 8
-
$755 AUD
View
A
Retailer 9
-
$767 AUD
View
B+
Retailer 10
-
$830 AUD
View
B+
Retailer 11
-
$886 AUD
View
B+
Retailer 12
-
$1,089 AUD
View
B+
Retailer 13
-
$1,137 AUD
View
Retailer 14
-
$1,289 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
$1,572 AUD
View
B
Retailer 16
-
$1,615 AUD
View
B
Retailer 17
-
$1,678 AUD
View
B
Retailer 18
-
$1,777 AUD
View
B
Retailer 19
-
$1,844 AUD
View
Most Expensive
B
Do Amore Diamonds
27-610A9F749 · Nov 6
$3,115 AUD
$2,140 USD
View
19 more retailers have this diamond
Prices start from $325 AUDSave up to $2,790 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
1.23ct Round
$325 AUD