CaratHunter
Plans
Heart|Lab Grown|IGI

1.50ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG629487592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG629487592

Diamond specifications and retailer prices

From €429 EUR
$479 USD
As of October 30, 2026
Save €2,118 EUR (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,562 EUR at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG629487592 or 629487592. Listed at 24 retailers as of October 27, 2026, with a 494% 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

1.50
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629487592
Dimensions7.27 × 7.81 × 4.59 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.27 mm7.81 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629487592
Side View
Table 63.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.8%

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: €3,562 EUR|Low: €411 EUR|High: €3,562 EUR|Avg: €1,110 EUR
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
October 31, 2026
Retailer 15€429 EUR
Retailer 14€479 EUR
Retailer 6€480 EUR
Retailer 3€531 EUR
Retailer 7€531 EUR
Retailer 8€563 EUR
Retailer 12€658 EUR
Retailer 9€882 EUR
Retailer 2€889 EUR
Retailer 11€913 EUR
Retailer 13€1,238 EUR
Retailer 5€1,708 EUR
Retailer 10€1,962 EUR
Retailer 4€1,987 EUR
Brilliant Earth€3,562 EUR

35 data points across 15 retailers

24 retailers€429 EUR to €2,546 EUR

A
Cheapest Retailer
-
€429 EUR
$479 USD
A
Retailer 2
-
€479 EUR
$535 USD
View
Final sale: no returns
A
Retailer 3
-
€480 EUR
$536 USD
View
Retailer 4
-
€531 EUR
$593 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€531 EUR
$593 USD
View
A
Retailer 6
-
€563 EUR
£496 GBP
View
A
Retailer 7
-
€584 EUR
HK$5,100 HKD
View
A
Retailer 8
-
€658 EUR
$735 USD
View
A
Retailer 9
-
€712 EUR
$795 USD
View
A
Retailer 10
-
€740 EUR
$827 USD
View
A
Retailer 11
-
€882 EUR
£776 GBP
View
A
Retailer 12
-
€889 EUR
View
A
Retailer 13
-
€913 EUR
ZAR 16,476 ZAR
View
A
Retailer 14
-
€948 EUR
$1,059 USD
View
B+
Retailer 15
-
€1,238 EUR
$1,383 USD
View
B+
Retailer 16
-
€1,686 EUR
SGD 2,546 SGD
View
B+
Retailer 17
-
€1,708 EUR
$1,908 USD
View
B+
Retailer 18
-
€1,733 EUR
$1,936 USD
View
B
Retailer 19
-
€1,864 EUR
$2,083 USD
View
B+
Retailer 20
-
€1,962 EUR
£1,726 GBP
View
B
Retailer 21
-
€1,987 EUR
$2,220 USD
View
B
Retailer 22
-
€2,315 EUR
$2,586 USD
View
B
Retailer 23
-
€2,546 EUR
£2,240 GBP
View
Most Expensive
Brilliant Earth
14264918A · Oct 16
€3,562 EUR
$3,980 USD
View
Price last confirmed 15 days ago
23 more retailers have this diamond
Prices start from €429 EURSave up to €2,118 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
1.50ct Heart
€429 EUR