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Round|Lab Grown|IGI

1.45ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836617709

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836617709

Diamond specifications and retailer prices

From $339 USD
As of October 28, 2026
Save $2,155 USD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,494 USD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.45ct lab-grown round diamond

This 1.45ct 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 LG836617709 or 836617709. Listed at 19 retailers as of October 28, 2026, with prices from $339 to $2,494, a $2,155 spread on the same certified stone. Helzberg Diamonds lists it at $2,494. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617709
Dimensions7.24 × 7.29 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.24 mm7.29 mm1.45 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617709
Side View
Table 55.0%Crown 34.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.8%

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: Oct 28
Current: $2,494 USD|Low: $339 USD|High: $2,494 USD|Avg: $979 USD
Helzberg Diamonds
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 8$339 USD
Retailer 4$351 USD
Retailer 5$375 USD
Retailer 3$590 USD
Retailer 13$609 USD
Retailer 12$611 USD
Retailer 6$613 USD
Retailer 14$644 USD
Retailer 2$662 USD
Retailer 7$917 USD
Retailer 16$1,004 USD
Retailer 18$1,152 USD
Retailer 17$1,198 USD
Retailer 10$1,205 USD
Retailer 9$1,253 USD
Retailer 11$1,511 USD
Retailer 15$2,015 USD
Helzberg Diamonds$2,494 USD

25 data points across 18 retailers

19 retailers$339 USD to $2,494 USD

A
Cheapest Retailer
-
$339 USD
Final sale: no returns
A
Retailer 2
-
$351 USD
View
A
Retailer 3
-
$375 USD
View
A
Retailer 4
-
$590 USD
View
A
Retailer 5
-
$609 USD
£479 GBP
View
A
Retailer 6
-
$611 USD
€582 EUR
View
A
Retailer 7
-
$613 USD
View
A
Retailer 8
-
$644 USD
ZAR 10,409 ZAR
View
A
Retailer 9
-
$662 USD
£521 GBP
View
A
Retailer 10
-
$917 USD
View
B+
Retailer 11
-
$1,004 USD
View
B+
Retailer 12
-
$1,152 USD
View
B+
Retailer 13
-
$1,198 USD
SGD 1,619 SGD
View
B+
Retailer 14
-
$1,205 USD
View
B+
Retailer 15
-
$1,253 USD
View
B+
Retailer 16
-
$1,511 USD
£1,190 GBP
View
B
Retailer 17
-
$2,015 USD
View
B
Retailer 18
-
$2,230 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHNNGP · Oct 29
$2,494 USD
View
18 more retailers have this diamond
Prices start from $339 USDSave up to $2,155 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
1.45ct Round
$339 USD