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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 €195 EUR
$218 USD
As of October 30, 2026
Save €1,067 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,262 EUR at Brilliant Earth · As of October 31, 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 €195 to €1,262, a €1,067 spread on the same certified stone. Brilliant Earth lists it at €1,262. 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
Colour
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: €1,262 EUR|Low: €195 EUR|High: €1,262 EUR|Avg: €484 EUR
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
November 1, 2026
Retailer 3€195 EUR
Retailer 14€218 EUR
Retailer 7€243 EUR
Retailer 18€250 EUR
Retailer 4€260 EUR
Retailer 10€262 EUR
Retailer 12€275 EUR
Retailer 17€327 EUR
Retailer 11€434 EUR
Retailer 8€448 EUR
Retailer 13€450 EUR
Retailer 2€451 EUR
Retailer 9€636 EUR
Retailer 15€655 EUR
Retailer 6€838 EUR
Retailer 16€840 EUR
Retailer 5€1,050 EUR
Brilliant Earth€1,262 EUR

22 data points across 18 retailers

18 retailers€195 EUR to €1,262 EUR

A
Cheapest Retailer
-
€195 EUR
$218 USD
A
Retailer 2
-
€218 EUR
$244 USD
View
Final sale: no returns
A
Retailer 3
-
€243 EUR
$272 USD
View
A
Retailer 4
-
€250 EUR
£220 GBP
View
A
Retailer 5
-
€260 EUR
$291 USD
View
A
Retailer 6
-
€262 EUR
$293 USD
View
A
Retailer 7
-
€275 EUR
HK$2,400 HKD
View
A
Retailer 8
-
€327 EUR
$365 USD
View
A
Retailer 9
-
€434 EUR
View
A
Retailer 10
-
€448 EUR
ZAR 8,082 ZAR
View
A
Retailer 11
-
€450 EUR
£396 GBP
View
A
Retailer 12
-
€451 EUR
$504 USD
View
B+
Retailer 13
-
€636 EUR
A$1,093 AUD
View
B+
Retailer 14
-
€655 EUR
SGD 989 SGD
View
B+
Retailer 15
-
€838 EUR
$936 USD
View
B
Retailer 16
-
€840 EUR
$939 USD
View
B
Retailer 17
-
€1,050 EUR
£924 GBP
View
Most Expensive
B
Brilliant Earth
21621117A · Oct 31
€1,262 EUR
$1,410 USD
View
17 more retailers have this diamond
Prices start from €195 EURSave up to €1,067 EUR

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
€195 EUR