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Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG775619781

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG775619781

Diamond specifications and retailer prices

From $320 USD
As of November 6, 2026
Save $2,520 USD (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,140 USD at Do Amore Diamonds · As of November 6, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG775619781 or 775619781. Listed at 25 retailers as of November 6, 2026, with a 788% 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 angle38.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775619781
Dimensions7.15 × 7.80 × 4.68 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.15 mm7.80 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775619781
Side View
Table 61.0%Crown 38.2°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 60.0%

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: $878 USD|Low: $307 USD|High: $1,731 USD|Avg: $834 USD
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
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 3$320 USD
Retailer 8$357 USD
Retailer 4$397 USD
Retailer 11$500 USD
Retailer 9$528 USD
Retailer 2$550 USD
Retailer 7$731 USD
Retailer 16$739 USD
Retailer 13$742 USD
Retailer 14$782 USD
Retailer 1$878 USD
Retailer 15$1,028 USD
Retailer 17$1,163 USD
Retailer 6$1,165 USD
Retailer 5$1,524 USD
Retailer 12$1,668 USD
Retailer 10$1,701 USD

45 data points across 17 retailers

25 retailers$320 USD to $2,840 USD

A
Cheapest Retailer
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$320 USD
A
Retailer 2
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$357 USD
View
Final sale: no returns
A
Retailer 3
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$371 USD
View
A
Retailer 4
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$397 USD
View
A
Retailer 5
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$397 USD
View
A
Retailer 6
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$443 USD
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A
Retailer 7
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$500 USD
View
A
Retailer 8
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$528 USD
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A
Retailer 9
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$550 USD
View
B+
Retailer 10
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$731 USD
View
B+
Retailer 11
-
$739 USD
View
B+
Retailer 12
-
$742 USD
View
B+
Retailer 13
-
$782 USD
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B+
Retailer 14
-
$878 USD
View
B+
Retailer 15
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$1,028 USD
View
B
Retailer 16
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$1,163 USD
View
Retailer 17
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$1,165 USD
View
Price last confirmed 37 days ago
B
Retailer 18
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$1,408 USD
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B
Retailer 19
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$1,524 USD
View
B
Retailer 20
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$1,565 USD
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B
Retailer 21
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$1,571 USD
View
B
Retailer 22
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$1,668 USD
View
B
Retailer 23
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$1,701 USD
View
B
Retailer 24
-
$2,840 USD
View
Most Expensive
Do Amore Diamonds
23-775619781 · Nov 6
$3,140 USD
View
Price under review
24 more retailers have this diamond
Prices start from $320 USDSave up to $2,520 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
$320 USD