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Heart|Lab Grown|IGI

1.55ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG654413567

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG654413567

Diamond specifications and retailer prices

From $288 USD
As of October 30, 2026
Save $1,371 USD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,150 USD at Brilliant Earth · As of September 24, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG654413567 or 654413567. Listed at 25 retailers as of October 30, 2026, with a 476% 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654413567
Dimensions7.17 × 7.83 × 4.73 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.17 mm7.83 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654413567
Side View
Table 59.0%Crown 36.2°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 60.4%

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 30
Current: $632 USD|Low: $274 USD|High: $1,680 USD|Avg: $782 USD|+2.0%
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Retailer 22
November 2, 2026
Retailer 5$288 USD
Retailer 22$322 USD
Retailer 14$335 USD
Retailer 8$358 USD
Retailer 13$358 USD
Retailer 17$378 USD
Retailer 3$515 USD
Retailer 10$588 USD
Retailer 18$597 USD
Retailer 12$617 USD
Retailer 7$620 USD
Retailer 1$632 USD
Retailer 20$681 USD
Retailer 4$717 USD
Retailer 2$832 USD
Retailer 9$961 USD
Retailer 6$1,150 USD
Retailer 15$1,199 USD
Retailer 19$1,376 USD
Retailer 16$1,434 USD
Retailer 11$1,476 USD
Retailer 21$1,659 USD

32 data points across 22 retailers

25 retailers$288 USD to $1,659 USD

A
Cheapest Retailer
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$288 USD
A
Retailer 2
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$322 USD
View
Final sale: no returns
A
Retailer 3
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$335 USD
View
A
Retailer 4
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$358 USD
View
Retailer 5
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$358 USD
View
Price last confirmed 7 days ago
A
Retailer 6
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$378 USD
£298 GBP
View
A
Retailer 7
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$515 USD
View
B+
Retailer 8
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$588 USD
View
B+
Retailer 9
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$597 USD
€569 EUR
View
B+
Retailer 10
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$617 USD
ZAR 9,963 ZAR
View
B+
Retailer 11
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$620 USD
View
B+
Retailer 12
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$632 USD
£498 GBP
View
B+
Retailer 13
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$681 USD
A$1,048 AUD
View
B+
Retailer 14
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$717 USD
View
B+
Retailer 15
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$832 USD
A$1,280 AUD
View
B+
Retailer 16
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$961 USD
View
B
Retailer 17
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$1,150 USD
View
B
Retailer 18
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$1,177 USD
View
B
Retailer 19
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$1,199 USD
View
B
Retailer 20
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$1,314 USD
View
B
Retailer 21
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$1,376 USD
View
B
Retailer 22
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$1,434 USD
£1,129 GBP
View
B
Retailer 23
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$1,476 USD
View
B
Retailer 24
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$1,659 USD
A$2,552 AUD
View
Most Expensive
Brilliant Earth
13246762A · Sep 24
$2,150 USD
View
Price last confirmed 38 days ago
24 more retailers have this diamond
Prices start from $288 USDSave up to $1,371 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
$288 USD