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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 $249 USD
As of October 29, 2026
Save $2,141 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,390 USD 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 $249 to $2,390, a $2,141 spread on the same certified stone. Do Amore Diamonds lists it at $2,390. 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
Color
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

How it works →
A+
Exceptional
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: Oct 29
Current: $2,390 USD|Low: $249 USD|High: $2,710 USD|Avg: $1,157 USD|-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$249 USD
Retailer 7$289 USD
Retailer 14$495 USD
Retailer 8$519 USD
Retailer 12$550 USD
Retailer 6$796 USD
Retailer 9$950 USD
Retailer 4$1,018 USD
Retailer 11$1,023 USD
Retailer 13$1,098 USD
Retailer 2$1,375 USD
Retailer 3$1,820 USD
Retailer 5$2,254 USD
Do Amore Diamonds$2,390 USD

28 data points across 14 retailers

11 retailers$249 USD to $2,390 USD

A+
Cheapest Retailer
-
$249 USD
A
Retailer 2
-
$289 USD
View
A
Retailer 3
-
$495 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$519 USD
View
A
Retailer 5
-
$550 USD
View
B+
Retailer 6
-
$950 USD
View
B+
Retailer 7
-
$1,023 USD
View
B+
Retailer 8
-
$1,098 USD
View
B+
Retailer 9
-
$1,375 USD
£1,083 GBP
View
B
Retailer 10
-
$1,820 USD
View
Most Expensive
B
Do Amore Diamonds
27-48D5AE1DF · Oct 28
$2,390 USD
View
10 more retailers have this diamond
Prices start from $249 USDSave up to $2,141 USD

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
$249 USD