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Heart|Lab Grown|IGI

1.23ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG791637217

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791637217

Diamond specifications and retailer prices

From €168 EUR
$188 USD
As of October 30, 2026
Save €867 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,035 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791637217 or 791637217. Listed at 18 retailers as of October 30, 2026, with prices from €168 to €1,035, a €867 spread on the same certified stone. Reve Diamonds lists it at €1,035. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791637217
Dimensions6.48 × 7.56 × 4.44 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm7.56 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791637217
Side View
Table 55.0%Crown 35.6°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 58.7%

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: €379 EUR|Low: €168 EUR|High: €1,040 EUR|Avg: €487 EUR|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
Reve Diamonds
October 31, 2026
Retailer 17€168 EUR
Retailer 8€188 EUR
Retailer 14€195 EUR
Retailer 3€209 EUR
Retailer 4€209 EUR
Retailer 16€263 EUR
Retailer 11€359 EUR
Retailer 9€368 EUR
Retailer 1€379 EUR
Retailer 6€399 EUR
Retailer 5€498 EUR
Retailer 12€510 EUR
Retailer 2€672 EUR
Retailer 15€674 EUR
Retailer 7€720 EUR
Retailer 10€743 EUR
Retailer 13€979 EUR
Reve Diamonds€1,035 EUR

37 data points across 18 retailers

18 retailers€168 EUR to €1,035 EUR

A
Cheapest Retailer
-
€168 EUR
$188 USD
A
Retailer 2
-
€188 EUR
$210 USD
View
Final sale: no returns
A
Retailer 3
-
€195 EUR
$218 USD
View
A
Retailer 4
-
€209 EUR
$234 USD
View
A
Retailer 5
-
€209 EUR
$234 USD
View
Retailer 6
-
€263 EUR
£231 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
€359 EUR
ZAR 6,479 ZAR
View
A
Retailer 8
-
€368 EUR
$411 USD
View
A
Retailer 9
-
€379 EUR
£334 GBP
View
A
Retailer 10
-
€399 EUR
$446 USD
View
B+
Retailer 11
-
€498 EUR
$556 USD
View
B+
Retailer 12
-
€510 EUR
A$877 AUD
View
B+
Retailer 13
-
€672 EUR
$751 USD
View
B
Retailer 14
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€674 EUR
$753 USD
View
B
Retailer 15
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€720 EUR
$805 USD
View
B
Retailer 16
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€743 EUR
$830 USD
View
B
Retailer 17
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€979 EUR
£861 GBP
View
Most Expensive
B
Reve Diamonds
B955618CA · Oct 30
€1,035 EUR
$1,156 USD
View
17 more retailers have this diamond
Prices start from €168 EURSave up to €867 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
1.23ct Heart
€168 EUR