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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 $533 USD
£420 GBP
As of November 1, 2026
Save $2,928 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,461 USD 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 $533 to $3,461, a $2,928 spread on the same certified stone. Novita Diamonds lists it at $3,461. 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
Color
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: $3,461 USD|Low: $533 USD|High: $3,461 USD|Avg: $1,544 USD
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$533 USD
Retailer 7$655 USD
Retailer 10$731 USD
Retailer 3$849 USD
Retailer 6$1,173 USD
Retailer 11$1,220 USD
Retailer 8$1,339 USD
Retailer 2$1,969 USD
Retailer 5$2,800 USD
Retailer 9$3,270 USD
Novita Diamonds$3,461 USD

15 data points across 11 retailers

11 retailers$533 USD to $3,461 USD

A
Cheapest Retailer
-
$533 USD
£420 GBP
A
Retailer 2
-
$655 USD
View
A
Retailer 3
-
$731 USD
View
A
Retailer 4
-
$849 USD
View
A
Retailer 5
-
$1,173 USD
A$1,805 AUD
View
B+
Retailer 6
-
$1,220 USD
View
B+
Retailer 7
-
$1,339 USD
View
B+
Retailer 8
-
$1,969 USD
£1,550 GBP
View
B
Retailer 9
-
$2,800 USD
View
B
Retailer 10
-
$3,270 USD
View
Most Expensive
B
Novita Diamonds
cert_844663945 · Oct 31
$3,461 USD
A$5,324 AUD
View
10 more retailers have this diamond
Prices start from $533 USDSave up to $2,928 USD

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
$533 USD