Heart|Lab Grown|IGI

1.00ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG818663207

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818663207

Diamond specifications and retailer prices

From $242 USD
As of October 28, 2026
Save $1,007 USD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,249 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown heart diamond

This 1ct 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 LG818663207 or 818663207. Listed at 17 retailers as of October 28, 2026, with prices from $242 to $1,249, a $1,007 spread on the same certified stone. Reve Diamonds lists it at $1,249. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663207
Dimensions6.91 × 6.21 × 3.92 mm
L/W Ratio1.11
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
6.91 mm6.21 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663207
Side View
Table 59.0%Crown 36.6°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 56.7%

Caratlytics Score

How it works →
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 28
Current: $499 USD|Low: $179 USD|High: $1,297 USD|Avg: $673 USD|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 30, 2026
Retailer 9$242 USD
Retailer 4$380 USD
Retailer 5$463 USD
Retailer 1$499 USD
Retailer 6$557 USD
Retailer 8$581 USD
Retailer 7$659 USD
Retailer 2$880 USD
Retailer 10$920 USD
Retailer 3$1,086 USD
Reve Diamonds$1,249 USD

32 data points across 11 retailers

17 retailers$242 USD to $1,249 USD

Retailer 1
-
$220 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$242 USD
View
Final sale: no returns
Retailer 3
-
$255 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$273 USD
View
Price last confirmed 26 days ago
Retailer 5
-
$273 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$277 USD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$380 USD
View
A
Retailer 8
-
$463 USD
ZAR 7,482 ZAR
View
A
Retailer 9
-
$499 USD
£393 GBP
View
B+
Retailer 10
-
$557 USD
View
B+
Retailer 11
-
$581 USD
View
B+
Retailer 12
-
$659 USD
A$1,014 AUD
View
Retailer 13
-
$877 USD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$880 USD
View
B
Retailer 15
-
$920 USD
View
B
Retailer 16
-
$1,086 USD
£855 GBP
View
Most Expensive
B
Reve Diamonds
4F0886E3F · Oct 30
$1,249 USD
View
16 more retailers have this diamond
Prices start from $242 USDSave up to $1,007 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
1.00ct Heart
$242 USD