CaratHunter
Plans
Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG623481707

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG623481707

Diamond specifications and retailer prices

From $514 SGD
$402 USD
As of October 30, 2026
Save $1,869 SGD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,720 SGD at Brilliant Earth · As of October 8, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG623481707 or 623481707. Listed at 18 retailers as of October 30, 2026, with a 364% 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623481707
Dimensions6.82 × 7.82 × 4.72 mm
L/W Ratio1.15
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
6.82 mm7.82 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623481707
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.4%

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: $3,720 SGD|Low: $409 SGD|High: $3,720 SGD|Avg: $1,389 SGD
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 16$514 SGD
Retailer 7$574 SGD
Retailer 5$575 SGD
Retailer 3$637 SGD
Retailer 6$637 SGD
Retailer 12$825 SGD
Retailer 15$857 SGD
Retailer 2$1,046 SGD
Retailer 11$1,094 SGD
Retailer 8$1,330 SGD
Retailer 14$1,482 SGD
Retailer 10$1,482 SGD
Retailer 4$2,047 SGD
Retailer 9$2,348 SGD
Retailer 17$2,383 SGD
Retailer 13$2,500 SGD
Brilliant Earth$3,720 SGD

45 data points across 17 retailers

18 retailers$514 SGD to $2,383 SGD

A
Cheapest Retailer
-
$514 SGD
$402 USD
A
Retailer 2
-
$574 SGD
$449 USD
View
Final sale: no returns
A
Retailer 3
-
$575 SGD
$450 USD
View
A
Retailer 4
-
$637 SGD
$498 USD
View
A
Retailer 5
-
$637 SGD
$498 USD
View
A
Retailer 6
-
$825 SGD
$645 USD
View
A
Retailer 7
-
$857 SGD
$670 USD
View
A
Retailer 8
-
$1,046 SGD
£644 GBP
View
A
Retailer 9
-
$1,094 SGD
ZAR 13,825 ZAR
View
A
Retailer 10
-
$1,330 SGD
$1,040 USD
View
B+
Retailer 11
-
$1,482 SGD
$1,159 USD
View
A
Retailer 12
-
$1,482 SGD
A$1,784 AUD
View
B+
Retailer 13
-
$2,047 SGD
$1,601 USD
View
B+
Retailer 14
-
$2,092 SGD
$1,637 USD
View
B
Retailer 15
-
$2,348 SGD
$1,837 USD
View
B
Retailer 16
-
$2,383 SGD
$1,864 USD
View
Retailer 17
-
$2,500 SGD
£1,540 GBP
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
21385356A · Oct 8
$3,720 SGD
$2,910 USD
View
Price last confirmed 22 days ago
17 more retailers have this diamond
Prices start from $514 SGDSave up to $1,869 SGD

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
$514 SGD