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Heart|Lab Grown|IGI

4.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG851653213

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG851653213

Diamond specifications and retailer prices

From €894 EUR
HK$7,800 HKD
As of November 1, 2026
Save €1,861 EUR (68%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €2,754 EUR at With Clarity · As of November 2, 2026
View at With Clarity

About this 4.51ct lab-grown heart diamond

This 4.51ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851653213 or 851653213. Listed at 4 retailers as of November 1, 2026, with prices from €894 to €2,754, a €1,861 spread on the same certified stone. With Clarity lists it at €2,754. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851653213
Dimensions10.15 × 11.24 × 6.77 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.15 mm11.24 mm4.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851653213
Side View
Table 59.0%Crown 32.8°Girdle: STK-VTKPavilion 40.6°CuletDepth 60.2%

Caratlytics Score

How it works →
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 1
Current: €894 EUR|Low: €894 EUR|High: €2,754 EUR|Avg: €1,879 EUR
Retailer 1
Retailer 2
Retailer 3
With Clarity
November 1, 2026
Retailer 1€894 EUR
Retailer 3€1,237 EUR
Retailer 2€2,633 EUR
With Clarity€2,754 EUR

1 data point across 4 retailers

4 retailers€894 EUR to €2,754 EUR

A
Cheapest Retailer
-
€894 EUR
HK$7,800 HKD
A
Retailer 2
-
€1,237 EUR
$1,382 USD
View
B
Retailer 3
-
€2,633 EUR
$2,941 USD
View
Most Expensive
B
With Clarity
851653213 · Nov 2
€2,754 EUR
$3,077 USD
View
3 more retailers have this diamond
Prices start from €894 EURSave up to €1,861 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
4.51ct Heart
€894 EUR