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Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG817689369

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817689369

Diamond specifications and retailer prices

From €341 EUR
$382 USD
As of November 1, 2026
Save €720 EUR (68%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,060 EUR at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

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 LG817689369 or 817689369. Listed at 11 retailers as of November 1, 2026, with prices from €341 to €1,060, a €720 spread on the same certified stone. Diamond Exchange Canada lists it at €1,060. 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 angle32.4°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817689369
Dimensions8.03 × 7.51 × 4.47 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.03 mm7.51 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817689369
Side View
Table 58.0%Crown 32.4°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 55.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,013 EUR|Low: €341 EUR|High: €1,106 EUR|Avg: €665 EUR|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5€341 EUR
Retailer 7€354 EUR
Retailer 10€432 EUR
Retailer 3€457 EUR
Retailer 4€472 EUR
Retailer 8€623 EUR
Retailer 2€859 EUR
Retailer 1€1,013 EUR
Retailer 6€1,016 EUR
Retailer 9€1,035 EUR

41 data points across 10 retailers

11 retailers€341 EUR to €1,060 EUR

B+
Cheapest Retailer
-
€341 EUR
$382 USD
A
Retailer 2
-
€354 EUR
HK$3,100 HKD
View
A
Retailer 3
-
€432 EUR
$484 USD
View
A
Retailer 4
-
€457 EUR
View
A
Retailer 5
-
€472 EUR
£417 GBP
View
B+
Retailer 6
-
€623 EUR
$699 USD
View
B
Retailer 7
-
€859 EUR
$964 USD
View
B
Retailer 8
-
€1,013 EUR
£895 GBP
View
B
Retailer 9
-
€1,016 EUR
$1,140 USD
View
B
Retailer 10
-
€1,035 EUR
$1,161 USD
View
Most Expensive
B
Diamond Exchange Canada
1967020747 · Nov 2
€1,060 EUR
CA$1,652 CAD
View
10 more retailers have this diamond
Prices start from €341 EURSave up to €720 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
€341 EUR