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Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG844663945

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844663945

Diamond specifications and retailer prices

From $681 SGD
£420 GBP
As of November 1, 2026
Save $3,743 SGD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,424 SGD at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 1.54ct lab-grown heart diamond

This 1.54ct 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 LG844663945 or 844663945. Listed at 11 retailers as of October 31, 2026, with prices from $681 to $4,424, a $3,743 spread on the same certified stone. Novita Diamonds lists it at $4,424. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844663945
Dimensions8.03 × 7.17 × 4.81 mm
L/W Ratio1.12
Girdle conditionFaceted
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
8.03 mm7.17 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844663945
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
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: Nov 1
Current: $4,424 SGD|Low: $681 SGD|High: $4,424 SGD|Avg: $1,974 SGD
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4$681 SGD
Retailer 7$837 SGD
Retailer 10$935 SGD
Retailer 3$1,085 SGD
Retailer 6$1,500 SGD
Retailer 11$1,559 SGD
Retailer 8$1,712 SGD
Retailer 2$2,517 SGD
Retailer 5$3,580 SGD
Retailer 9$4,180 SGD
Novita Diamonds$4,424 SGD

15 data points across 11 retailers

11 retailers$681 SGD to $4,424 SGD

A
Cheapest Retailer
-
$681 SGD
£420 GBP
A
Retailer 2
-
$837 SGD
$655 USD
View
A
Retailer 3
-
$935 SGD
$731 USD
View
A
Retailer 4
-
$1,085 SGD
$849 USD
View
A
Retailer 5
-
$1,500 SGD
A$1,805 AUD
View
B+
Retailer 6
-
$1,559 SGD
$1,220 USD
View
B+
Retailer 7
-
$1,712 SGD
$1,339 USD
View
B+
Retailer 8
-
$2,517 SGD
£1,550 GBP
View
B
Retailer 9
-
$3,580 SGD
$2,800 USD
View
B
Retailer 10
-
$4,180 SGD
$3,270 USD
View
Most Expensive
B
Novita Diamonds
cert_844663945 · Oct 31
$4,424 SGD
A$5,324 AUD
View
10 more retailers have this diamond
Prices start from $681 SGDSave up to $3,743 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
1.54ct Heart
$681 SGD