Heart|Lab Grown|IGI

1.55ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG771645368

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG771645368

Diamond specifications and retailer prices

From $291 USD
As of October 30, 2026
Save $1,187 USD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,180 USD at Brilliant Earth · As of October 16, 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 LG771645368 or 771645368. Listed at 23 retailers as of October 26, 2026, with a 408% 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 angle36.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771645368
Dimensions7.43 × 7.71 × 4.66 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm7.71 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771645368
Side View
Table 59.0%Crown 36.3°Girdle: STK-THKPavilion 40.9°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: $2,180 USD|Low: $291 USD|High: $2,180 USD|Avg: $767 USD
Brilliant Earth
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
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 8$291 USD
Retailer 10$325 USD
Retailer 5$337 USD
Retailer 18$360 USD
Retailer 14$381 USD
Retailer 4$485 USD
Retailer 6$515 USD
Retailer 13$621 USD
Retailer 19$622 USD
Retailer 2$637 USD
Retailer 15$653 USD
Retailer 7$718 USD
Retailer 3$838 USD
Retailer 16$922 USD
Retailer 17$1,128 USD
Retailer 20$1,158 USD
Retailer 12$1,207 USD
Retailer 9$1,385 USD
Retailer 11$1,478 USD
Brilliant Earth$2,180 USD

29 data points across 20 retailers

23 retailers$291 USD to $1,478 USD

A
Cheapest Retailer
-
$291 USD
A
Retailer 2
-
$325 USD
View
Final sale: no returns
A
Retailer 3
-
$337 USD
View
A
Retailer 4
-
$360 USD
View
Retailer 5
-
$368 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$381 USD
£300 GBP
View
A
Retailer 7
-
$485 USD
View
A
Retailer 8
-
$515 USD
View
B+
Retailer 9
-
$621 USD
ZAR 10,036 ZAR
View
B+
Retailer 10
-
$622 USD
View
B+
Retailer 11
-
$637 USD
£502 GBP
View
B+
Retailer 12
-
$653 USD
€622 EUR
View
B+
Retailer 13
-
$718 USD
View
B+
Retailer 14
-
$838 USD
A$1,289 AUD
View
B+
Retailer 15
-
$922 USD
View
B
Retailer 16
-
$1,128 USD
View
B
Retailer 17
-
$1,158 USD
View
Retailer 18
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$1,164 USD
A$1,791 AUD
View
Price last confirmed 160 days ago
B
Retailer 19
-
$1,207 USD
View
B
Retailer 20
-
$1,289 USD
View
B
Retailer 21
-
$1,385 USD
View
B
Retailer 22
-
$1,478 USD
£1,164 GBP
View
Most Expensive
Brilliant Earth
18531281A · Oct 16
$2,180 USD
View
Price last confirmed 17 days ago
22 more retailers have this diamond
Prices start from $291 USDSave up to $1,187 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
$291 USD