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Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG776683156

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG776683156

Diamond specifications and retailer prices

From $232 USD
As of November 6, 2026
Save $1,062 USD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,090 USD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776683156 or 776683156. Listed at 22 retailers as of November 6, 2026, with a 458% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776683156
Dimensions7.32 × 8.09 × 4.72 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
7.32 mm8.09 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776683156
Side View
Table 56.0%Crown 33.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 58.3%

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 6
Current: $2,090 USD|Low: $232 USD|High: $2,200 USD|Avg: $727 USD|-5.0%
Brilliant Earth
Retailer 2
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Retailer 21
November 7, 2026
Retailer 4$232 USD
Retailer 6$259 USD
Retailer 11$269 USD
Retailer 13$287 USD
Retailer 21$287 USD
Retailer 17$320 USD
Retailer 10$486 USD
Retailer 19$486 USD
Retailer 14$493 USD
Retailer 18$536 USD
Retailer 20$545 USD
Retailer 2$609 USD
Retailer 12$677 USD
Retailer 5$923 USD
Retailer 8$926 USD
Retailer 7$975 USD
Retailer 15$1,036 USD
Retailer 16$1,144 USD
Retailer 3$1,169 USD
Retailer 9$1,294 USD
Brilliant Earth$2,090 USD

35 data points across 21 retailers

22 retailers$232 USD to $1,294 USD

A
Cheapest Retailer
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$232 USD
A
Retailer 2
-
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$269 USD
View
A
Retailer 4
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$287 USD
View
A
Retailer 5
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$287 USD
View
A
Retailer 6
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$320 USD
View
A
Retailer 7
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$486 USD
View
A
Retailer 8
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$486 USD
View
A
Retailer 9
-
$493 USD
View
A
Retailer 10
-
$536 USD
View
B+
Retailer 11
-
$545 USD
View
B+
Retailer 12
-
$609 USD
View
B+
Retailer 13
-
$618 USD
View
B+
Retailer 14
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$677 USD
View
B+
Retailer 15
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$923 USD
View
B
Retailer 16
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$926 USD
View
B
Retailer 17
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$975 USD
View
B
Retailer 18
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$1,036 USD
View
B+
Retailer 19
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$1,144 USD
View
B
Retailer 20
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$1,169 USD
View
B
Retailer 21
-
$1,294 USD
View
Most Expensive
Brilliant Earth
17856910A · Oct 21
$2,090 USD
View
Price last confirmed 16 days ago
21 more retailers have this diamond
Prices start from $232 USDSave up to $1,062 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
$232 USD