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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG662412809

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG662412809

Diamond specifications and retailer prices

From €199 EUR
$222 USD
As of October 30, 2026
Save €934 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,132 EUR at Reve Diamonds · As of November 1, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662412809 or 662412809. Listed at 18 retailers as of October 30, 2026, with prices from €199 to €1,132, a €934 spread on the same certified stone. Reve Diamonds lists it at €1,132. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662412809
Dimensions7.57 × 6.43 × 4.51 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.57 mm6.43 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662412809
Side View
Table 55.0%Crown 34.3°Girdle: MediumPavilion 39.6°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 30
Current: €459 EUR|Low: €197 EUR|High: €1,132 EUR|Avg: €556 EUR|+20.2%
Retailer 1
Retailer 2
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Retailer 5
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Retailer 18
Reve Diamonds
November 2, 2026
Retailer 17€199 EUR
Retailer 7€222 EUR
Retailer 15€231 EUR
Retailer 2€247 EUR
Retailer 4€247 EUR
Retailer 3€333 EUR
Retailer 8€422 EUR
Retailer 12€426 EUR
Retailer 6€435 EUR
Retailer 1€459 EUR
Retailer 5€531 EUR
Retailer 14€602 EUR
Retailer 10€703 EUR
Retailer 11€770 EUR
Retailer 18€793 EUR
Retailer 16€796 EUR
Retailer 9€840 EUR
Retailer 13€989 EUR
Reve Diamonds€1,132 EUR

35 data points across 19 retailers

18 retailers€199 EUR to €1,132 EUR

A
Cheapest Retailer
-
€199 EUR
$222 USD
A
Retailer 2
-
€222 EUR
$248 USD
View
Final sale: no returns
A
Retailer 3
-
€231 EUR
$258 USD
View
A
Retailer 4
-
€247 EUR
$276 USD
View
Retailer 5
-
€247 EUR
$276 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€422 EUR
$471 USD
View
B+
Retailer 7
-
€426 EUR
ZAR 7,690 ZAR
View
B+
Retailer 8
-
€435 EUR
$486 USD
View
B+
Retailer 9
-
€459 EUR
£404 GBP
View
B+
Retailer 10
-
€531 EUR
$593 USD
View
B+
Retailer 11
-
€602 EUR
A$1,035 AUD
View
B
Retailer 12
-
€703 EUR
$785 USD
View
B
Retailer 13
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€770 EUR
$860 USD
View
B
Retailer 14
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€793 EUR
$886 USD
View
B
Retailer 15
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€796 EUR
$889 USD
View
B
Retailer 16
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€840 EUR
$939 USD
View
B
Retailer 17
-
€989 EUR
£870 GBP
View
Most Expensive
B
Reve Diamonds
50A7CF060 · Nov 1
€1,132 EUR
$1,265 USD
View
17 more retailers have this diamond
Prices start from €199 EURSave up to €934 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
€199 EUR