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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG828688731

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828688731

Diamond specifications and retailer prices

From €204 EUR
As of November 4, 2026
Save €1,132 EUR (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,336 EUR at Michael Trio · As of November 4, 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 D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828688731 or 828688731. Listed at 20 retailers as of November 4, 2026, with prices from €204 to €1,336, a €1,132 spread on the same certified stone. Michael Trio lists it at €1,336. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688731
Dimensions6.67 × 7.32 × 4.39 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.67 mm7.32 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688731
Side View
Table 61.0%Crown 35.3°Girdle: STK-THKPavilion 41°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €1,336 EUR|Low: €204 EUR|High: €1,352 EUR|Avg: €585 EUR|-1.2%
Michael Trio
Retailer 2
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Retailer 20
November 5, 2026
Retailer 17€204 EUR
Retailer 13€229 EUR
Retailer 20€237 EUR
Retailer 14€252 EUR
Retailer 12€257 EUR
Retailer 2€286 EUR
Retailer 19€340 EUR
Retailer 7€439 EUR
Retailer 6€459 EUR
Retailer 15€469 EUR
Retailer 9€536 EUR
Retailer 8€540 EUR
Retailer 10€625 EUR
Retailer 18€815 EUR
Retailer 4€818 EUR
Retailer 5€862 EUR
Retailer 3€878 EUR
Retailer 11€974 EUR
Retailer 16€1,013 EUR
Michael Trio€1,336 EUR

15 data points across 20 retailers

20 retailers€204 EUR to €1,336 EUR

A
Cheapest Retailer
-
€204 EUR
A
Retailer 2
-
€229 EUR
View
Final sale: no returns
A
Retailer 3
-
€237 EUR
View
A
Retailer 4
-
€252 EUR
View
Retailer 5
-
€257 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
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€286 EUR
View
A
Retailer 7
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€340 EUR
View
A
Retailer 8
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€439 EUR
View
B+
Retailer 9
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€459 EUR
View
B+
Retailer 10
-
€469 EUR
View
B+
Retailer 11
-
€536 EUR
View
B+
Retailer 12
-
€540 EUR
View
Retailer 13
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€625 EUR
View
Price last confirmed 9 days ago
B+
Retailer 14
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€815 EUR
View
B
Retailer 15
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€818 EUR
View
B+
Retailer 16
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€862 EUR
View
B+
Retailer 17
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€878 EUR
View
Retailer 18
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€974 EUR
View
Price last confirmed 11 days ago
B
Retailer 19
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€1,013 EUR
View
Most Expensive
B
Michael Trio
5709104730 · Nov 4
€1,336 EUR
SGD 2,027 SGD
View
19 more retailers have this diamond
Prices start from €204 EURSave up to €1,132 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
€204 EUR