Heart|Lab Grown|IGI

1.55ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG797643590

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG797643590

Diamond specifications and retailer prices

From $269 USD
As of October 30, 2026
Save $1,390 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,100 USD at Brilliant Earth · As of October 3, 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 LG797643590 or 797643590. Listed at 22 retailers as of October 30, 2026, with a 517% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643590
Dimensions6.86 × 8.13 × 4.55 mm
L/W Ratio1.19
Girdle conditionFaceted
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
6.86 mm8.13 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643590
Side View
Table 59.0%Crown 36.6°Girdle: STK-THKPavilion 36.2°Culet: NoneDepth 56.0%

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: Oct 30
Current: $2,100 USD|Low: $258 USD|High: $2,100 USD|Avg: $812 USD
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 22
November 2, 2026
Retailer 7$269 USD
Retailer 12$301 USD
Retailer 21$312 USD
Retailer 4$334 USD
Retailer 5$334 USD
Retailer 6$355 USD
Retailer 9$450 USD
Retailer 20$490 USD
Retailer 13$575 USD
Retailer 11$597 USD
Retailer 2$640 USD
Retailer 10$711 USD
Retailer 19$775 USD
Retailer 22$1,025 USD
Retailer 8$1,072 USD
Retailer 15$1,123 USD
Retailer 3$1,225 USD
Retailer 18$1,344 USD
Retailer 16$1,383 USD
Retailer 14$1,414 USD
Retailer 17$1,659 USD
Brilliant Earth$2,100 USD

33 data points across 22 retailers

22 retailers$269 USD to $1,659 USD

A
Cheapest Retailer
-
$269 USD
A
Retailer 2
-
$301 USD
View
Final sale: no returns
A
Retailer 3
-
$312 USD
View
Retailer 4
-
$334 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$334 USD
View
Retailer 6
-
$355 USD
£279 GBP
View
Price last confirmed 16 days ago
B+
Retailer 7
-
$450 USD
View
A
Retailer 8
-
$490 USD
View
A
Retailer 9
-
$575 USD
ZAR 9,292 ZAR
View
B+
Retailer 10
-
$597 USD
View
B+
Retailer 11
-
$640 USD
£504 GBP
View
B+
Retailer 12
-
$711 USD
View
B+
Retailer 13
-
$775 USD
A$1,193 AUD
View
B+
Retailer 14
-
$1,025 USD
View
B
Retailer 15
-
$1,072 USD
View
B
Retailer 16
-
$1,123 USD
View
B+
Retailer 17
-
$1,225 USD
View
B+
Retailer 18
-
$1,344 USD
£1,058 GBP
View
B
Retailer 19
-
$1,383 USD
View
B
Retailer 20
-
$1,414 USD
View
B
Retailer 21
-
$1,659 USD
A$2,552 AUD
View
Most Expensive
Brilliant Earth
21573406A · Oct 3
$2,100 USD
View
Price last confirmed 29 days ago
21 more retailers have this diamond
Prices start from $269 USDSave up to $1,390 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
$269 USD