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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 €206 EUR
$230 USD
As of October 30, 2026
Save €1,142 EUR (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,348 EUR at Michael Trio · As of October 31, 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 October 30, 2026, with prices from €206 to €1,348, a €1,142 spread on the same certified stone. Michael Trio lists it at €1,348. 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
Color
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: Oct 30
Current: €1,348 EUR|Low: €206 EUR|High: €1,364 EUR|Avg: €578 EUR|-1.2%
Michael Trio
Retailer 2
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Retailer 20
November 2, 2026
Retailer 7€206 EUR
Retailer 8€231 EUR
Retailer 13€239 EUR
Retailer 17€256 EUR
Retailer 12€259 EUR
Retailer 16€292 EUR
Retailer 6€345 EUR
Retailer 14€442 EUR
Retailer 19€477 EUR
Retailer 2€482 EUR
Retailer 5€539 EUR
Retailer 4€542 EUR
Retailer 10€629 EUR
Retailer 18€822 EUR
Retailer 20€825 EUR
Retailer 9€869 EUR
Retailer 3€885 EUR
Retailer 11€979 EUR
Retailer 15€1,025 EUR
Michael Trio€1,348 EUR

16 data points across 20 retailers

20 retailers€206 EUR to €1,348 EUR

A
Cheapest Retailer
-
€206 EUR
$230 USD
A
Retailer 2
-
€231 EUR
$258 USD
View
Final sale: no returns
A
Retailer 3
-
€239 EUR
$267 USD
View
A
Retailer 4
-
€256 EUR
$286 USD
View
Retailer 5
-
€259 EUR
$289 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€292 EUR
£257 GBP
View
A
Retailer 7
-
€345 EUR
$385 USD
View
A
Retailer 8
-
€442 EUR
ZAR 7,970 ZAR
View
B+
Retailer 9
-
€477 EUR
View
B+
Retailer 10
-
€482 EUR
£424 GBP
View
B+
Retailer 11
-
€539 EUR
$602 USD
View
B+
Retailer 12
-
€542 EUR
$606 USD
View
B+
Retailer 13
-
€629 EUR
A$1,081 AUD
View
B+
Retailer 14
-
€822 EUR
$918 USD
View
B
Retailer 15
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€825 EUR
$922 USD
View
B+
Retailer 16
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€869 EUR
$971 USD
View
B+
Retailer 17
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€885 EUR
$989 USD
View
Retailer 18
-
€979 EUR
A$1,683 AUD
View
Price last confirmed 7 days ago
B
Retailer 19
-
€1,025 EUR
£902 GBP
View
Most Expensive
B
Michael Trio
5709104730 · Oct 31
€1,348 EUR
SGD 2,035 SGD
View
19 more retailers have this diamond
Prices start from €206 EURSave up to €1,142 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
€206 EUR