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Round|Lab Grown|IGI

1.28ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG744512482

Shape and cutting style on the report: Round brilliant

Certificate IGI LG744512482

Diamond specifications and retailer prices

From $354 AUD
$249 USD
As of October 29, 2026
Save $3,047 AUD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,402 AUD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744512482 or 744512482. Listed at 11 retailers as of October 28, 2026, with prices from $354 to $3,402, a $3,047 spread on the same certified stone. Do Amore Diamonds lists it at $3,402. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744512482
Dimensions6.99 × 6.94 × 4.31 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
6.99 mm6.94 mm1.28 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744512482
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.9%

Caratlytics Score

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A+
Exceptional
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: $3,402 AUD|Low: $354 AUD|High: $3,857 AUD|Avg: $1,647 AUD|-11.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 10$354 AUD
Retailer 7$411 AUD
Retailer 14$705 AUD
Retailer 8$739 AUD
Retailer 12$783 AUD
Retailer 6$1,133 AUD
Retailer 9$1,352 AUD
Retailer 4$1,450 AUD
Retailer 11$1,456 AUD
Retailer 13$1,563 AUD
Retailer 2$1,958 AUD
Retailer 3$2,591 AUD
Retailer 5$3,208 AUD
Do Amore Diamonds$3,402 AUD

28 data points across 14 retailers

11 retailers$354 AUD to $3,402 AUD

A+
Cheapest Retailer
-
$354 AUD
$249 USD
A
Retailer 2
-
$411 AUD
$289 USD
View
Retailer 3
-
$705 AUD
$495 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$739 AUD
$519 USD
View
A
Retailer 5
-
$783 AUD
$550 USD
View
B+
Retailer 6
-
$1,352 AUD
$950 USD
View
B+
Retailer 7
-
$1,456 AUD
$1,023 USD
View
B+
Retailer 8
-
$1,563 AUD
$1,098 USD
View
B+
Retailer 9
-
$1,958 AUD
£1,083 GBP
View
B
Retailer 10
-
$2,591 AUD
$1,820 USD
View
Most Expensive
B
Do Amore Diamonds
27-48D5AE1DF · Oct 28
$3,402 AUD
$2,390 USD
View
10 more retailers have this diamond
Prices start from $354 AUDSave up to $3,047 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+
1.28ct Round
$354 AUD