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Heart|Lab Grown|IGI

1.23ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG837672527

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837672527

Diamond specifications and retailer prices

From €215 EUR
$240 USD
As of October 31, 2026
Save €1,081 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,296 EUR at Michael Trio · As of October 30, 2026
View at Michael Trio

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837672527 or 837672527. Listed at 15 retailers as of October 30, 2026, with prices from €215 to €1,296, a €1,081 spread on the same certified stone. Michael Trio lists it at €1,296. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837672527
Dimensions6.91 × 7.27 × 4.33 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.91 mm7.27 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837672527
Side View
Table 62.0%Crown 35.9°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 59.6%

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 31
Current: €1,296 EUR|Low: €215 EUR|High: €1,322 EUR|Avg: €677 EUR|-2.0%
Michael Trio
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 15
October 31, 2026
Retailer 10€215 EUR
Retailer 14€294 EUR
Retailer 13€322 EUR
Retailer 8€386 EUR
Retailer 3€411 EUR
Retailer 11€441 EUR
Retailer 6€516 EUR
Retailer 4€588 EUR
Retailer 12€772 EUR
Retailer 9€813 EUR
Retailer 2€816 EUR
Retailer 15€890 EUR
Retailer 5€964 EUR
Retailer 7€1,262 EUR
Michael Trio€1,296 EUR

26 data points across 15 retailers

15 retailers€215 EUR to €1,296 EUR

A
Cheapest Retailer
-
€215 EUR
$240 USD
Final sale: no returns
A
Retailer 2
-
€294 EUR
£258 GBP
View
B+
Retailer 3
-
€322 EUR
$360 USD
View
A
Retailer 4
-
€386 EUR
View
A
Retailer 5
-
€411 EUR
ZAR 7,419 ZAR
View
B+
Retailer 6
-
€441 EUR
£388 GBP
View
B+
Retailer 7
-
€516 EUR
$576 USD
View
B+
Retailer 8
-
€588 EUR
A$1,010 AUD
View
B
Retailer 9
-
€772 EUR
$862 USD
View
B+
Retailer 10
-
€813 EUR
$909 USD
View
B+
Retailer 11
-
€816 EUR
$912 USD
View
B+
Retailer 12
-
€890 EUR
A$1,529 AUD
View
B+
Retailer 13
-
€964 EUR
£848 GBP
View
Retailer 14
-
€1,262 EUR
$1,410 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Michael Trio
1166624810 · Oct 30
€1,296 EUR
SGD 1,957 SGD
View
14 more retailers have this diamond
Prices start from €215 EURSave up to €1,081 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
€215 EUR