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Heart|Lab Grown|IGI

1.55ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG647418547

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG647418547

Diamond specifications and retailer prices

From $273 USD
As of October 27, 2026
Save $2,147 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,420 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG647418547 or 647418547. Listed at 19 retailers as of October 27, 2026, with prices from $273 to $2,420, a $2,147 spread on the same certified stone. Do Amore Diamonds lists it at $2,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647418547
Dimensions7.22 × 8.00 × 4.66 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
7.22 mm8.00 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647418547
Side View
Table 56.0%Crown 34.7°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 58.3%

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 27
Current: $660 USD|Low: $262 USD|High: $1,514 USD|Avg: $719 USD|+2.9%
Retailer 1
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
October 29, 2026
Retailer 12$273 USD
Retailer 6$305 USD
Retailer 4$338 USD
Retailer 13$338 USD
Retailer 7$439 USD
Retailer 9$495 USD
Retailer 3$559 USD
Retailer 1$660 USD
Retailer 5$676 USD
Retailer 8$870 USD
Retailer 11$1,039 USD
Retailer 2$1,200 USD
Retailer 14$1,299 USD
Retailer 10$1,504 USD

44 data points across 14 retailers

19 retailers$273 USD to $2,420 USD

A
Cheapest Retailer
-
$273 USD
A
Retailer 2
-
$305 USD
View
Final sale: no returns
A
Retailer 3
-
$316 USD
View
A
Retailer 4
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$338 USD
View
A
Retailer 5
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$338 USD
View
A
Retailer 6
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$426 USD
View
A
Retailer 7
-
$439 USD
£345 GBP
View
A
Retailer 8
-
$495 USD
View
B+
Retailer 9
-
$559 USD
View
B+
Retailer 10
-
$660 USD
£520 GBP
View
B+
Retailer 11
-
$676 USD
View
B+
Retailer 12
-
$870 USD
A$1,338 AUD
View
B
Retailer 13
-
$1,039 USD
View
B
Retailer 14
-
$1,200 USD
View
B
Retailer 15
-
$1,299 USD
View
B
Retailer 16
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$1,364 USD
View
B
Retailer 17
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$1,422 USD
View
Retailer 18
-
$1,504 USD
£1,184 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-85FE5E768 · Oct 29
$2,420 USD
View
18 more retailers have this diamond
Prices start from $273 USDSave up to $2,147 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
1.55ct Heart
$273 USD