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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG650480412

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG650480412

Diamond specifications and retailer prices

From €230 EUR
As of November 4, 2026
Save €1,810 EUR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,040 EUR at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG650480412 or 650480412. Listed at 17 retailers as of November 4, 2026, with prices from €230 to €2,040, a €1,810 spread on the same certified stone. Do Amore Diamonds lists it at €2,040. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650480412
Dimensions6.66 × 7.52 × 4.39 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm7.52 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650480412
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 58.4%

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: Nov 4
Current: €549 EUR|Low: €220 EUR|High: €1,274 EUR|Avg: €604 EUR|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 11€230 EUR
Retailer 5€257 EUR
Retailer 2€266 EUR
Retailer 3€284 EUR
Retailer 12€284 EUR
Retailer 10€428 EUR
Retailer 14€475 EUR
Retailer 1€549 EUR
Retailer 4€576 EUR
Retailer 8€771 EUR
Retailer 9€874 EUR
Retailer 13€1,009 EUR
Retailer 6€1,221 EUR
Retailer 7€1,254 EUR

44 data points across 14 retailers

17 retailers€230 EUR to €2,040 EUR

A
Cheapest Retailer
-
€230 EUR
A
Retailer 2
-
€257 EUR
View
Final sale: no returns
A
Retailer 3
-
€266 EUR
View
A
Retailer 4
-
€284 EUR
View
Retailer 5
-
€284 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
-
€343 EUR
View
A
Retailer 7
-
€428 EUR
View
B+
Retailer 8
-
€475 EUR
View
B+
Retailer 9
-
€549 EUR
View
B+
Retailer 10
-
€576 EUR
View
B+
Retailer 11
-
€771 EUR
View
B
Retailer 12
-
€874 EUR
View
B
Retailer 13
-
€1,009 EUR
View
B
Retailer 14
-
€1,157 EUR
View
B
Retailer 15
-
€1,224 EUR
View
B
Retailer 16
-
€1,254 EUR
View
Most Expensive
B
Do Amore Diamonds
27-C24E8FBC2 · Nov 4
€2,040 EUR
$2,290 USD
View
16 more retailers have this diamond
Prices start from €230 EURSave up to €1,810 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
€230 EUR