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Heart|Lab Grown|IGI

1.54ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG462143860

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG462143860

Diamond specifications and retailer prices

From €1,092 EUR
$1,220 USD
As of November 1, 2026
Save €412 EUR (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €3,478 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG462143860 or 462143860. Listed at 5 retailers as of November 1, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462143860
Dimensions7.15 × 7.88 × 4.82 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.15 mm7.88 mm1.54 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462143860
Side View
Table 62.0%Crown 33°GirdlePavilion 42.5°Culet: NoneDepth 61.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,504 EUR|Low: €383 EUR|High: €3,478 EUR|Avg: €1,592 EUR|+83.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 2, 2026
Retailer 5€383 EUR
Retailer 4€1,092 EUR
Retailer 3€1,421 EUR
Retailer 1€1,504 EUR
Retailer 2€3,310 EUR
Taylor and Hart€3,478 EUR

35 data points across 6 retailers

5 retailers€1,092 EUR to €1,504 EUR

B
Cheapest Retailer
-
€1,092 EUR
$1,220 USD
B
Retailer 2
-
€1,421 EUR
$1,588 USD
View
B
Retailer 3
-
€1,504 EUR
£1,323 GBP
View
Retailer 4
-
€3,310 EUR
£2,912 GBP
View
Price under review
Most Expensive
Taylor and Hart
MQVUZOK · Oct 31
€3,478 EUR
$3,886 USD
View
Price under review
4 more retailers have this diamond
Prices start from €1,092 EURSave up to €412 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.

B
1.54ct Heart
€1,092 EUR