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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 $397 NZD
As of November 5, 2026
Save $3,410 NZD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,807 NZD at Do Amore Diamonds · As of November 4, 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 4, 2026, with prices from $397 to $3,807, a $3,410 spread on the same certified stone. Do Amore Diamonds lists it at $3,807. 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: $3,807 NZD|Low: $391 NZD|High: $3,807 NZD|Avg: $1,249 NZD
Do Amore Diamonds
Retailer 2
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Retailer 19
November 6, 2026
Retailer 19$397 NZD
Retailer 6$443 NZD
Retailer 3$461 NZD
Retailer 4$493 NZD
Retailer 18$493 NZD
Retailer 9$662 NZD
Retailer 5$882 NZD
Retailer 10$904 NZD
Retailer 7$923 NZD
Retailer 16$937 NZD
Retailer 2$1,014 NZD
Retailer 14$1,331 NZD
Retailer 15$1,389 NZD
Retailer 17$1,576 NZD
Retailer 13$1,975 NZD
Retailer 11$2,051 NZD
Retailer 12$2,172 NZD
Retailer 8$2,254 NZD
Do Amore Diamonds$3,807 NZD

34 data points across 19 retailers

20 retailers$397 NZD to $3,807 NZD

A
Cheapest Retailer
-
$397 NZD
A
Retailer 2
-
$443 NZD
View
Final sale: no returns
A
Retailer 3
-
$461 NZD
View
A
Retailer 4
-
$493 NZD
View
A
Retailer 5
-
$662 NZD
View
Retailer 6
-
$751 NZD
View
Price last confirmed 63 days ago
A
Retailer 7
-
$904 NZD
View
A
Retailer 8
-
$923 NZD
View
A
Retailer 9
-
$937 NZD
View
B+
Retailer 10
-
$1,014 NZD
View
B+
Retailer 11
-
$1,083 NZD
View
B+
Retailer 12
-
$1,331 NZD
View
B+
Retailer 13
-
$1,389 NZD
View
Retailer 14
-
$1,576 NZD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,921 NZD
View
B
Retailer 16
-
$1,975 NZD
View
B
Retailer 17
-
$2,051 NZD
View
B
Retailer 18
-
$2,172 NZD
View
B
Retailer 19
-
$2,254 NZD
View
Most Expensive
B
Do Amore Diamonds
27-610A9F749 · Nov 4
$3,807 NZD
$2,140 USD
View
19 more retailers have this diamond
Prices start from $397 NZDSave up to $3,410 NZD

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
$397 NZD