Round|Lab Grown|IGI

1.15ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG744512411

Shape and cutting style on the report: Round brilliant

Certificate IGI LG744512411

Diamond specifications and retailer prices

From $255 USD
As of October 25, 2026
16 retailers carry this diamond
Most expensive: $1,160 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.15ct lab-grown round diamond

This 1.15ct 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 LG744512411 or 744512411. Listed at 16 retailers as of October 25, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744512411
Dimensions6.72 × 6.67 × 4.13 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
6.72 mm6.67 mm1.15 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744512411
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $1,115 USD|Low: $197 USD|High: $8,006 USD|Avg: $1,330 USD|-1.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 18, 2026
Retailer 7$197 USD
Retailer 2$255 USD
Retailer 6$255 USD
Retailer 12$355 USD
Retailer 13$456 USD
Retailer 9$545 USD
Retailer 4$582 USD
Retailer 5$605 USD
Retailer 10$795 USD
Retailer 3$1,113 USD
Rare Carat$1,115 USD
Retailer 11$2,060 USD
Retailer 8$8,006 USD

7 data points across 13 retailers

16 retailers

A
Cheapest Retailer
-
$255 USD
Retailer 2
-
$1,054 USD
View
Price last confirmed 76 days ago
Retailer 3
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$1,054 USD
View
Price last confirmed 52 days ago
Retailer 4
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$1,110 USD
View
Price last confirmed 13 days ago
Retailer 5
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$1,115 USD
View
Price last confirmed 13 days ago
Retailer 6
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$1,130 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$1,130 USD
View
Price last confirmed 13 days ago
Retailer 8
-
$1,130 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$1,130 USD
View
Price last confirmed 13 days ago
Retailer 10
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$1,132 USD
View
Price last confirmed 73 days ago
Retailer 11
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$1,135 USD
View
Price last confirmed 13 days ago
Retailer 12
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$1,135 USD
View
Price last confirmed 13 days ago
Retailer 13
-
$1,135 USD
View
Price last confirmed 13 days ago
Retailer 14
-
$1,135 USD
View
Price last confirmed 82 days ago
Retailer 15
-
$1,145 USD
View
Price last confirmed 37 days ago
Most Expensive
Rare Carat
NGB-19_l_640492470 · Oct 18
$1,160 USD
View
Price last confirmed 13 days ago
15 more retailers have this diamond
Prices start from $255 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
1.15ct Round
$255 USD