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Heart|Lab Grown|IGI

1.54ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG639410917

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG639410917

Diamond specifications and retailer prices

From $274 USD
As of October 30, 2026
Save $2,166 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,440 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG639410917 or 639410917. Listed at 16 retailers as of October 30, 2026, with prices from $274 to $2,440, a $2,166 spread on the same certified stone. Do Amore Diamonds lists it at $2,440. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639410917
Dimensions7.39 × 8.19 × 4.41 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm8.19 mm1.54 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639410917
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 53.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $2,440 USD|Low: $213 USD|High: $2,440 USD|Avg: $778 USD|+19.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 19
November 1, 2026
Retailer 7$264 USD
Retailer 18$274 USD
Retailer 2$318 USD
Retailer 3$340 USD
Retailer 8$392 USD
Retailer 17$413 USD
Retailer 12$418 USD
Retailer 6$500 USD
Retailer 9$540 USD
Retailer 14$667 USD
Retailer 16$678 USD
Retailer 15$1,046 USD
Retailer 5$1,170 USD
Retailer 4$1,175 USD
Retailer 13$1,208 USD
Retailer 11$1,245 USD
Retailer 10$1,340 USD
Retailer 19$1,372 USD
Do Amore Diamonds$2,440 USD

30 data points across 19 retailers

16 retailers$274 USD to $2,440 USD

Retailer 1
-
$264 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$274 USD
View
A
Retailer 3
-
$318 USD
View
A
Retailer 4
-
$340 USD
View
B+
Retailer 5
-
$392 USD
View
A
Retailer 6
-
$413 USD
View
B+
Retailer 7
-
$418 USD
£329 GBP
View
B+
Retailer 8
-
$500 USD
View
B+
Retailer 9
-
$667 USD
£525 GBP
View
B+
Retailer 10
-
$678 USD
View
B
Retailer 11
-
$1,046 USD
View
B
Retailer 12
-
$1,170 USD
View
B
Retailer 13
-
$1,175 USD
£925 GBP
View
B
Retailer 14
-
$1,208 USD
View
B
Retailer 15
-
$1,372 USD
View
Most Expensive
B
Do Amore Diamonds
27-9496D356A · Oct 31
$2,440 USD
View
15 more retailers have this diamond
Prices start from $274 USDSave up to $2,166 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
$274 USD