Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG841678790

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841678790

Diamond specifications and retailer prices

From $368 USD
As of October 30, 2026
Save $2,902 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,270 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG841678790 or 841678790. Listed at 16 retailers as of October 30, 2026, with prices from $368 to $3,270, a $2,902 spread on the same certified stone. Do Amore Diamonds lists it at $3,270. 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 angle33.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678790
Dimensions7.54 × 7.71 × 4.65 mm
L/W Ratio1.02
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
7.54 mm7.71 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678790
Side View
Table 59.0%Crown 33.2°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,270 USD|Low: $368 USD|High: $3,340 USD|Avg: $1,335 USD|+0.3%
Do Amore Diamonds
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 15$368 USD
Retailer 5$427 USD
Retailer 11$534 USD
Retailer 16$621 USD
Retailer 14$655 USD
Retailer 3$731 USD
Retailer 2$822 USD
Retailer 7$849 USD
Retailer 12$1,173 USD
Retailer 17$1,339 USD
Retailer 4$1,620 USD
Retailer 8$1,886 USD
Retailer 13$1,980 USD
Retailer 9$2,335 USD
Retailer 10$2,800 USD
Retailer 6$2,810 USD
Do Amore Diamonds$3,270 USD

24 data points across 17 retailers

16 retailers$368 USD to $3,270 USD

A+
Cheapest Retailer
-
$368 USD
A
Retailer 2
-
$427 USD
View
A
Retailer 3
-
$534 USD
£421 GBP
View
A
Retailer 4
-
$621 USD
View
A
Retailer 5
-
$655 USD
View
A
Retailer 6
-
$731 USD
View
A
Retailer 7
-
$822 USD
€783 EUR
View
A
Retailer 8
-
$849 USD
View
A
Retailer 9
-
$1,173 USD
A$1,805 AUD
View
B+
Retailer 10
-
$1,339 USD
View
B+
Retailer 11
-
$1,620 USD
View
Retailer 12
-
$1,886 USD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$1,980 USD
£1,559 GBP
View
B
Retailer 14
-
$2,800 USD
View
B
Retailer 15
-
$2,810 USD
View
Most Expensive
B
Do Amore Diamonds
27-99015717E · Oct 31
$3,270 USD
View
15 more retailers have this diamond
Prices start from $368 USDSave up to $2,902 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
$368 USD