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Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG628401226

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG628401226

Diamond specifications and retailer prices

From $229 USD
As of October 30, 2026
Save $1,971 USD (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $2,200 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart 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 LG628401226 or 628401226. Listed at 28 retailers as of October 29, 2026, with prices from $229 to $2,200, a $1,971 spread on the same certified stone. Do Amore Diamonds lists it at $2,200. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628401226
Dimensions6.40 × 7.04 × 3.97 mm
L/W Ratio1.10
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
6.40 mm7.04 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628401226
Side View
Table 61.0%Crown 38.7°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 56.4%

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 30
Current: $2,200 USD|Low: $229 USD|High: $2,640 USD|Avg: $849 USD|-16.7%
Do Amore Diamonds
Retailer 2
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Retailer 19
October 30, 2026
Retailer 18$229 USD
Retailer 15$256 USD
Retailer 8$435 USD
Retailer 19$445 USD
Retailer 11$450 USD
Retailer 5$475 USD
Retailer 7$518 USD
Retailer 13$526 USD
Retailer 16$539 USD
Retailer 2$598 USD
Retailer 6$693 USD
Retailer 17$917 USD
Retailer 10$1,056 USD
Retailer 12$1,101 USD
Retailer 9$1,179 USD
Retailer 14$1,264 USD
Retailer 4$1,286 USD
Retailer 3$1,380 USD
Do Amore Diamonds$2,200 USD

40 data points across 19 retailers

28 retailers$229 USD to $2,200 USD

A
Cheapest Retailer
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$229 USD
Retailer 2
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$229 USD
View
Price last confirmed 22 days ago
Retailer 3
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$229 USD
View
Price last confirmed 19 days ago
A
Retailer 4
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$256 USD
View
Final sale: no returns
Retailer 5
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$284 USD
View
Price last confirmed 27 days ago
Retailer 6
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$284 USD
View
Price last confirmed 20 days ago
Retailer 7
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$297 USD
View
Price last confirmed 30 days ago
Retailer 8
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$345 USD
View
Price last confirmed 32 days ago
Retailer 9
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$364 USD
View
Price last confirmed 33 days ago
A
Retailer 10
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$435 USD
HK$3,400 HKD
View
A
Retailer 11
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$445 USD
View
A
Retailer 12
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$475 USD
View
A
Retailer 13
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$518 USD
View
A
Retailer 14
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$526 USD
€501 EUR
View
A
Retailer 15
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$539 USD
ZAR 8,706 ZAR
View
B+
Retailer 16
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$598 USD
£471 GBP
View
B+
Retailer 17
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$693 USD
View
B+
Retailer 18
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$917 USD
View
Retailer 19
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$1,008 USD
View
Price last confirmed 20 days ago
B+
Retailer 20
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$1,008 USD
View
B+
Retailer 21
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$1,056 USD
SGD 1,427 SGD
View
B
Retailer 22
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$1,101 USD
A$1,694 AUD
View
B
Retailer 23
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$1,179 USD
View
B+
Retailer 24
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$1,264 USD
£995 GBP
View
B+
Retailer 25
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$1,286 USD
View
Retailer 26
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$1,308 USD
View
Price last confirmed 30 days ago
B
Retailer 27
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$1,380 USD
View
Most Expensive
B
Do Amore Diamonds
27-35CA08263 · Oct 29
$2,200 USD
View
27 more retailers have this diamond
Prices start from $229 USDSave up to $1,971 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
1.05ct Heart
$229 USD