Heart|Lab Grown|IGI

1.00ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG841698184

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841698184

Diamond specifications and retailer prices

From €168 EUR
$187 USD
As of October 29, 2026
Save €766 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €934 EUR at Reve Diamonds · As of October 25, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG841698184 or 841698184. Listed at 11 retailers as of October 25, 2026, with prices from €168 to €934, a €766 spread on the same certified stone. Reve Diamonds lists it at €934. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841698184
Dimensions5.76 × 6.83 × 4.16 mm
L/W Ratio1.19
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
5.76 mm6.83 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841698184
Side View
Table 54.0%Crown 34.1°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €168 EUR|Low: €164 EUR|High: €934 EUR|Avg: €440 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 29, 2026
Retailer 1€168 EUR
Retailer 2€221 EUR
Retailer 7€260 EUR
Retailer 4€285 EUR
Retailer 9€309 EUR
Retailer 5€363 EUR
Retailer 6€574 EUR
Retailer 8€593 EUR
Retailer 3€796 EUR
Reve Diamonds€934 EUR

21 data points across 10 retailers

11 retailers€168 EUR to €934 EUR

A
Cheapest Retailer
-
€168 EUR
$187 USD
Final sale: no returns
A
Retailer 2
-
€221 EUR
£194 GBP
View
B+
Retailer 3
-
€260 EUR
$289 USD
View
B+
Retailer 4
-
€285 EUR
£250 GBP
View
B+
Retailer 5
-
€309 EUR
$344 USD
View
B
Retailer 6
-
€363 EUR
£318 GBP
View
Retailer 7
-
€512 EUR
$570 USD
View
B
Retailer 8
-
€574 EUR
$639 USD
View
B
Retailer 9
-
€593 EUR
$660 USD
View
B
Retailer 10
-
€796 EUR
£698 GBP
View
Most Expensive
B
Reve Diamonds
A2BC668FA · Oct 25
€934 EUR
$1,039 USD
View
10 more retailers have this diamond
Prices start from €168 EURSave up to €766 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
€168 EUR