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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG722564061

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG722564061

Diamond specifications and retailer prices

From $421 SGD
$329 USD
As of October 30, 2026
Save $3,453 SGD (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,874 SGD at Brilliant Earth · As of October 30, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG722564061 or 722564061. Listed at 8 retailers as of October 30, 2026, with prices from $421 to $3,874, a $3,453 spread on the same certified stone. Brilliant Earth lists it at $3,874. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722564061
Dimensions8.16 × 7.07 × 4.75 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
8.16 mm7.07 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722564061
Side View
Table 56.0%Crown 33.4°Girdle: MED-THKPavilion 42°Culet: NoneDepth 58.2%

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: $3,874 SGD|Low: $421 SGD|High: $4,436 SGD|Avg: $1,550 SGD|-12.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$421 SGD
Retailer 3$703 SGD
Retailer 2$828 SGD
Retailer 8$1,340 SGD
Retailer 6$1,501 SGD
Retailer 7$1,595 SGD
Retailer 4$1,882 SGD
Brilliant Earth$3,874 SGD

43 data points across 8 retailers

8 retailers$421 SGD to $3,874 SGD

A
Cheapest Retailer
-
$421 SGD
$329 USD
Final sale: no returns
A
Retailer 2
-
$703 SGD
$550 USD
View
A
Retailer 3
-
$828 SGD
£510 GBP
View
A
Retailer 4
-
$1,340 SGD
$1,048 USD
View
B+
Retailer 5
-
$1,501 SGD
View
B+
Retailer 6
-
$1,595 SGD
$1,248 USD
View
B+
Retailer 7
-
$1,882 SGD
£1,159 GBP
View
Most Expensive
B
Brilliant Earth
15964492A · Oct 30
$3,874 SGD
$3,030 USD
View
7 more retailers have this diamond
Prices start from $421 SGDSave up to $3,453 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
1.51ct Heart
$421 SGD