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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG635421819

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG635421819

Diamond specifications and retailer prices

From €172 EUR
As of November 4, 2026
Save €872 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,044 EUR at Reve Diamonds · As of November 4, 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 LG635421819 or 635421819. Listed at 18 retailers as of November 4, 2026, with prices from €172 to €1,044, a €872 spread on the same certified stone. Reve Diamonds lists it at €1,044. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635421819
Dimensions7.31 × 6.80 × 4.35 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.31 mm6.80 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635421819
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 59.5%

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: €283 EUR|Low: €172 EUR|High: €1,055 EUR|Avg: €494 EUR|-3.3%
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
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 5, 2026
Retailer 13€172 EUR
Retailer 15€192 EUR
Retailer 3€200 EUR
Retailer 11€214 EUR
Retailer 8€217 EUR
Retailer 1€283 EUR
Retailer 2€373 EUR
Retailer 5€375 EUR
Retailer 7€380 EUR
Retailer 12€385 EUR
Retailer 10€424 EUR
Retailer 4€531 EUR
Retailer 14€686 EUR
Retailer 17€689 EUR
Retailer 16€734 EUR
Retailer 9€1,016 EUR
Retailer 6€1,017 EUR
Reve Diamonds€1,044 EUR

35 data points across 18 retailers

18 retailers€172 EUR to €1,044 EUR

A
Cheapest Retailer
-
€172 EUR
A
Retailer 2
-
€192 EUR
View
Final sale: no returns
A
Retailer 3
-
€200 EUR
View
A
Retailer 4
-
€214 EUR
View
Retailer 5
-
€217 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
-
€283 EUR
View
A
Retailer 7
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€373 EUR
View
A
Retailer 8
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€375 EUR
View
A
Retailer 9
-
€380 EUR
View
A
Retailer 10
-
€385 EUR
View
B+
Retailer 11
-
€424 EUR
View
B+
Retailer 12
-
€503 EUR
View
B+
Retailer 13
-
€531 EUR
View
B+
Retailer 14
-
€686 EUR
View
B
Retailer 15
-
€689 EUR
View
B
Retailer 16
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€734 EUR
View
B
Retailer 17
-
€1,017 EUR
View
Most Expensive
B
Reve Diamonds
EF8A55ECE · Nov 4
€1,044 EUR
$1,172 USD
View
17 more retailers have this diamond
Prices start from €172 EURSave up to €872 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
€172 EUR