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Heart|Lab Grown|IGI

1.51ct D VS2 Heart Lab Grown Diamond

ID • D/VS2 • IGI LG647456789

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG647456789

Diamond specifications and retailer prices

From €226 EUR
$253 USD
As of October 30, 2026
Save €907 EUR (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,316 EUR at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG647456789 or 647456789. Listed at 17 retailers as of October 29, 2026, with a 400% 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

1.51
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647456789
Dimensions6.97 × 8.23 × 4.71 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm8.23 mm1.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647456789
Side View
Table 57.0%Crown 35°Girdle: MediumPavilion 39.1°Culet: NoneDepth 57.2%

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: Oct 30
Current: €1,316 EUR|Low: €226 EUR|High: €1,405 EUR|Avg: €661 EUR|-6.4%
Brilliant Earth
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
October 31, 2026
Retailer 14€226 EUR
Retailer 3€263 EUR
Retailer 16€281 EUR
Retailer 17€281 EUR
Retailer 13€315 EUR
Retailer 11€425 EUR
Retailer 7€470 EUR
Retailer 9€471 EUR
Retailer 2€532 EUR
Retailer 5€584 EUR
Retailer 12€865 EUR
Retailer 15€904 EUR
Retailer 8€950 EUR
Retailer 4€1,036 EUR
Retailer 6€1,106 EUR
Retailer 10€1,133 EUR
Brilliant Earth€1,316 EUR

39 data points across 17 retailers

17 retailers€226 EUR to €1,133 EUR

A
Cheapest Retailer
-
€226 EUR
$253 USD
A
Retailer 2
-
€263 EUR
$294 USD
View
A
Retailer 3
-
€281 EUR
$314 USD
View
A
Retailer 4
-
€281 EUR
$314 USD
View
Retailer 5
-
€315 EUR
£277 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
€425 EUR
$475 USD
View
A
Retailer 7
-
€470 EUR
$525 USD
View
B+
Retailer 8
-
€471 EUR
$526 USD
View
B+
Retailer 9
-
€532 EUR
£468 GBP
View
B+
Retailer 10
-
€584 EUR
$653 USD
View
B
Retailer 11
-
€865 EUR
$966 USD
View
B
Retailer 12
-
€904 EUR
$1,010 USD
View
Retailer 13
-
€950 EUR
$1,062 USD
View
Price last confirmed 14 days ago
B
Retailer 14
-
€1,036 EUR
$1,157 USD
View
B
Retailer 15
-
€1,106 EUR
$1,236 USD
View
B
Retailer 16
-
€1,133 EUR
£997 GBP
View
Most Expensive
Brilliant Earth
11429311A · Oct 22
€1,316 EUR
$1,470 USD
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from €226 EURSave up to €907 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
€226 EUR