Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG631440811

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG631440811

Diamond specifications and retailer prices

From $377 USD
As of November 6, 2026
Save $628 USD (62%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,390 USD at Do Amore Diamonds · As of October 28, 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 LG631440811 or 631440811. Listed at 21 retailers as of November 6, 2026, with a 167% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631440811
Dimensions7.41 × 7.84 × 4.76 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.41 mm7.84 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631440811
Side View
Table 60.0%Crown 36.1°Girdle: MED-THKPavilion 43.4°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,390 USD|Low: $256 USD|High: $2,390 USD|Avg: $872 USD
Do Amore Diamonds
Retailer 2
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Retailer 11
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Retailer 21
November 7, 2026
Retailer 9$269 USD
Retailer 14$301 USD
Retailer 7$312 USD
Retailer 8$333 USD
Retailer 10$333 USD
Retailer 17$377 USD
Retailer 18$410 USD
Retailer 13$433 USD
Retailer 5$490 USD
Retailer 12$597 USD
Retailer 3$622 USD
Retailer 19$648 USD
Retailer 21$863 USD
Retailer 2$910 USD
Retailer 16$1,005 USD
Retailer 6$1,024 USD
Retailer 15$1,079 USD
Retailer 11$1,183 USD
Retailer 20$1,477 USD
Retailer 4$2,070 USD
Do Amore Diamonds$2,390 USD

35 data points across 21 retailers

21 retailers$377 USD to $1,005 USD

Retailer 1
-
$269 USD
Price last confirmed 15 days ago
Retailer 2
-
$312 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$333 USD
View
Price last confirmed 13 days ago
Retailer 4
-
$333 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$377 USD
View
A
Retailer 6
-
$433 USD
View
Retailer 7
-
$490 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$597 USD
View
Price last confirmed 12 days ago
Retailer 9
-
$622 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$648 USD
View
Price last confirmed 11 days ago
Retailer 11
-
$863 USD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$910 USD
View
B+
Retailer 13
-
$1,005 USD
View
Retailer 14
-
$1,024 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$1,079 USD
View
Price last confirmed 9 days ago
Retailer 16
-
$1,183 USD
View
Price last confirmed 13 days ago
Retailer 17
-
$1,347 USD
View
Price last confirmed 11 days ago
Retailer 18
-
$1,410 USD
View
Price last confirmed 13 days ago
Retailer 19
-
$1,477 USD
View
Price last confirmed 12 days ago
Retailer 20
-
$2,070 USD
View
Price last confirmed 16 days ago
Most Expensive
Do Amore Diamonds
27-38B34335C · Oct 28
$2,390 USD
View
Price last confirmed 10 days ago
20 more retailers have this diamond
Prices start from $377 USDSave up to $628 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
$377 USD