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1.23ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG755529144

Shape and cutting style on the report: Round brilliant

Certificate IGI LG755529144

Diamond specifications and retailer prices

From $859 NZD
As of October 29, 2026
Save $1,323 NZD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,182 NZD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG755529144 or 755529144. Listed at 8 retailers as of October 29, 2026, with prices from $859 to $2,182, a $1,323 spread on the same certified stone. Rare Carat lists it at $2,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755529144
Dimensions6.85 × 6.81 × 4.27 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
6.85 mm6.81 mm1.23 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755529144
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 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: Oct 29
Current: $2,182 NZD|Low: $836 NZD|High: $2,259 NZD|Avg: $1,351 NZD|-3.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$859 NZD
Retailer 6$891 NZD
Retailer 5$953 NZD
Retailer 2$986 NZD
Retailer 4$1,190 NZD
Retailer 7$1,786 NZD
Retailer 3$2,113 NZD
Rare Carat$2,182 NZD

44 data points across 8 retailers

8 retailers$859 NZD to $2,182 NZD

A
Cheapest Retailer
-
$859 NZD
A
Retailer 2
-
$891 NZD
View
A
Retailer 3
-
$953 NZD
View
A
Retailer 4
-
$986 NZD
View
B+
Retailer 5
-
$1,190 NZD
View
B+
Retailer 6
-
$1,786 NZD
View
B
Retailer 7
-
$2,113 NZD
View
Most Expensive
B
Rare Carat
7P755529144 · Nov 1
$2,182 NZD
$1,230 USD
View
7 more retailers have this diamond
Prices start from $859 NZDSave up to $1,323 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
$859 NZD