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Heart|Lab Grown|IGI

1.80ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG634444150

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG634444150

Diamond specifications and retailer prices

From $362 USD
As of October 27, 2026
Save $4,328 USD (92%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,690 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.8ct lab-grown heart diamond

This 1.8ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG634444150 or 634444150. Listed at 24 retailers as of October 27, 2026, with prices from $362 to $4,690, a $4,328 spread on the same certified stone. Brilliant Earth lists it at $4,690. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634444150
Dimensions7.70 × 7.99 × 4.75 mm
L/W Ratio1.04
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
7.70 mm7.99 mm1.80 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634444150
Side View
Table 60.0%Crown 36°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 59.4%

Caratlytics Score

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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 27
Current: $4,690 USD|Low: $405 USD|High: $4,730 USD|Avg: $1,540 USD
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
October 30, 2026
Retailer 14$418 USD
Retailer 16$600 USD
Retailer 8$665 USD
Retailer 4$714 USD
Retailer 12$763 USD
Retailer 18$811 USD
Retailer 2$813 USD
Retailer 15$851 USD
Retailer 3$1,109 USD
Retailer 11$1,153 USD
Retailer 17$1,186 USD
Retailer 6$1,702 USD
Retailer 10$1,709 USD
Retailer 7$1,744 USD
Retailer 13$1,944 USD
Retailer 9$3,117 USD
Retailer 5$3,210 USD
Brilliant Earth$4,690 USD

33 data points across 18 retailers

24 retailers$362 USD to $4,690 USD

A
Cheapest Retailer
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$362 USD
A
Retailer 2
-
$418 USD
View
Final sale: no returns
A
Retailer 3
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$420 USD
View
A
Retailer 4
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$448 USD
View
A
Retailer 5
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$448 USD
View
A
Retailer 6
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$600 USD
View
A
Retailer 7
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$665 USD
View
A
Retailer 8
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$714 USD
View
A
Retailer 9
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$763 USD
€727 EUR
View
A
Retailer 10
-
$811 USD
A$1,248 AUD
View
A
Retailer 11
-
$813 USD
£640 GBP
View
A
Retailer 12
-
$851 USD
ZAR 13,743 ZAR
View
Retailer 13
-
$1,103 USD
View
Price last confirmed 15 days ago
A
Retailer 14
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$1,109 USD
View
A
Retailer 15
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$1,153 USD
A$1,774 AUD
View
A
Retailer 16
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$1,186 USD
View
B+
Retailer 17
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$1,591 USD
View
B+
Retailer 18
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$1,702 USD
View
B+
Retailer 19
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$1,709 USD
View
B+
Retailer 20
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$1,744 USD
View
B+
Retailer 21
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$1,944 USD
£1,531 GBP
View
Retailer 22
-
$3,117 USD
A$4,796 AUD
View
Price last confirmed 22 days ago
B
Retailer 23
-
$3,210 USD
View
Most Expensive
B
Brilliant Earth
16275227A · Oct 28
$4,690 USD
View
23 more retailers have this diamond
Prices start from $362 USDSave up to $4,328 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
1.80ct Heart
$362 USD