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Heart|Lab Grown|IGI

1.55ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG770604846

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG770604846

Diamond specifications and retailer prices

From $225 USD
As of October 27, 2026
Save $1,050 USD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,275 USD at Reve Diamonds · As of October 28, 2026
View at Reve 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 LG770604846 or 770604846. Listed at 18 retailers as of October 27, 2026, with prices from $225 to $1,275, a $1,050 spread on the same certified stone. Reve Diamonds lists it at $1,275. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770604846
Dimensions6.93 × 8.15 × 4.84 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.93 mm8.15 mm1.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770604846
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.4%

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: $519 USD|Low: $225 USD|High: $1,275 USD|Avg: $620 USD|+4.1%
Retailer 1
Retailer 2
Retailer 3
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Retailer 6
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
October 28, 2026
Retailer 16$225 USD
Retailer 5$252 USD
Retailer 13$262 USD
Retailer 2$280 USD
Retailer 3$280 USD
Retailer 15$328 USD
Retailer 6$475 USD
Retailer 10$480 USD
Retailer 1$519 USD
Retailer 7$535 USD
Retailer 8$609 USD
Retailer 11$653 USD
Retailer 17$899 USD
Retailer 14$902 USD
Retailer 9$951 USD
Retailer 12$1,121 USD
Retailer 4$1,138 USD
Reve Diamonds$1,275 USD

28 data points across 18 retailers

18 retailers$225 USD to $1,275 USD

A
Cheapest Retailer
-
$225 USD
A
Retailer 2
-
$252 USD
View
Final sale: no returns
A
Retailer 3
-
$262 USD
View
A
Retailer 4
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$280 USD
View
A
Retailer 5
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$280 USD
View
A
Retailer 6
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$328 USD
£259 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
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$475 USD
View
A
Retailer 8
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$480 USD
ZAR 7,760 ZAR
View
A
Retailer 9
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$519 USD
£409 GBP
View
A
Retailer 10
-
$535 USD
View
B+
Retailer 11
-
$609 USD
View
B+
Retailer 12
-
$653 USD
A$1,005 AUD
View
B+
Retailer 13
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$899 USD
View
B
Retailer 14
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$902 USD
View
B
Retailer 15
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$951 USD
View
B
Retailer 16
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$1,121 USD
£883 GBP
View
B
Retailer 17
-
$1,138 USD
View
Most Expensive
B
Reve Diamonds
A73FDE91E · Oct 28
$1,275 USD
View
17 more retailers have this diamond
Prices start from $225 USDSave up to $1,050 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
$225 USD