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Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG754567521

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754567521

Diamond specifications and retailer prices

From €243 EUR
$272 USD
As of October 30, 2026
Save €967 EUR (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,211 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.51ct lab-grown heart diamond

This 1.51ct 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 LG754567521 or 754567521. Listed at 19 retailers as of October 26, 2026, with prices from €243 to €1,211, a €967 spread on the same certified stone. MOH London lists it at €1,211. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754567521
Dimensions7.22 × 7.71 × 4.48 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
7.22 mm7.71 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754567521
Side View
Table 62.0%Crown 34.9°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 58.1%

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: €1,211 EUR|Low: €230 EUR|High: €1,216 EUR|Avg: €630 EUR|+0.8%
MOH London
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
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Retailer 17
November 2, 2026
Retailer 5€239 EUR
Retailer 7€268 EUR
Retailer 6€297 EUR
Retailer 14€302 EUR
Retailer 17€407 EUR
Retailer 12€443 EUR
Retailer 16€447 EUR
Retailer 11€488 EUR
Retailer 2€520 EUR
Retailer 10€531 EUR
Retailer 8€599 EUR
Retailer 13€702 EUR
Retailer 15€771 EUR
Retailer 3€1,016 EUR
Retailer 4€1,161 EUR
Retailer 9€1,208 EUR
MOH London€1,211 EUR

34 data points across 17 retailers

19 retailers€243 EUR to €1,211 EUR

Retailer 1
-
€239 EUR
$267 USD
Price last confirmed 25 days ago
A
Retailer 2
-
€243 EUR
$272 USD
View
Retailer 3
-
€277 EUR
$310 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€297 EUR
$332 USD
View
Price last confirmed 30 days ago
Retailer 5
-
€302 EUR
$337 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€407 EUR
$455 USD
View
A
Retailer 7
-
€443 EUR
$495 USD
View
A
Retailer 8
-
€447 EUR
$499 USD
View
B+
Retailer 9
-
€488 EUR
View
B+
Retailer 10
-
€520 EUR
ZAR 9,392 ZAR
View
B+
Retailer 11
-
€531 EUR
£467 GBP
View
Retailer 12
-
€688 EUR
$769 USD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
€702 EUR
A$1,206 AUD
View
B+
Retailer 14
-
€771 EUR
$861 USD
View
Retailer 15
-
€954 EUR
$1,066 USD
View
Price last confirmed 32 days ago
Retailer 16
-
€958 EUR
SGD 1,446 SGD
View
Price last confirmed 23 days ago
B
Retailer 17
-
€1,016 EUR
$1,135 USD
View
B
Retailer 18
-
€1,161 EUR
$1,297 USD
View
Most Expensive
B
MOH London
LG754567521 · Oct 26
€1,211 EUR
£1,065 GBP
View
18 more retailers have this diamond
Prices start from €243 EURSave up to €967 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
1.51ct Heart
€243 EUR