Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG838619284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG838619284

Diamond specifications and retailer prices

From $218 USD
As of October 30, 2026
Save $1,192 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,410 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG838619284 or 838619284. Listed at 18 retailers as of October 30, 2026, with prices from $218 to $1,410, a $1,192 spread on the same certified stone. Brilliant Earth lists it at $1,410. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619284
Dimensions6.20 × 6.81 × 4.10 mm
L/W Ratio1.10
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
6.20 mm6.81 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619284
Side View
Table 59.0%Crown 35.1°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 60.2%

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: $1,410 USD|Low: $218 USD|High: $1,410 USD|Avg: $539 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 11$218 USD
Retailer 3$262 USD
Retailer 5$272 USD
Retailer 2$279 USD
Retailer 13$291 USD
Retailer 9$293 USD
Retailer 18$320 USD
Retailer 4$392 USD
Retailer 14$488 USD
Retailer 7$500 USD
Retailer 16$522 USD
Retailer 12$550 USD
Retailer 8$710 USD
Retailer 6$785 USD
Retailer 17$936 USD
Retailer 10$945 USD
Retailer 15$1,173 USD
Brilliant Earth$1,410 USD

21 data points across 18 retailers

18 retailers$218 USD to $1,410 USD

A
Cheapest Retailer
-
$218 USD
A
Retailer 2
-
$262 USD
View
Final sale: no returns
A
Retailer 3
-
$272 USD
View
A
Retailer 4
-
$279 USD
£220 GBP
View
A
Retailer 5
-
$291 USD
View
A
Retailer 6
-
$293 USD
View
A
Retailer 7
-
$320 USD
HK$2,500 HKD
View
A
Retailer 8
-
$392 USD
View
A
Retailer 9
-
$488 USD
€465 EUR
View
A
Retailer 10
-
$500 USD
ZAR 8,082 ZAR
View
A
Retailer 11
-
$522 USD
View
A
Retailer 12
-
$550 USD
£433 GBP
View
B+
Retailer 13
-
$710 USD
A$1,093 AUD
View
B+
Retailer 14
-
$785 USD
SGD 1,061 SGD
View
B+
Retailer 15
-
$936 USD
View
B
Retailer 16
-
$945 USD
View
B
Retailer 17
-
$1,173 USD
£924 GBP
View
Most Expensive
B
Brilliant Earth
21621117A · Oct 30
$1,410 USD
View
17 more retailers have this diamond
Prices start from $218 USDSave up to $1,192 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
$218 USD