Heart|Lab Grown|IGI

1.51ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG818683889

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818683889

Diamond specifications and retailer prices

From $360 USD
As of November 1, 2026
Save $990 USD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,350 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818683889 or 818683889. Listed at 9 retailers as of October 31, 2026, with prices from $360 to $1,350, a $990 spread on the same certified stone. Brilliant Earth lists it at $1,350. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683889
Dimensions7.67 × 7.28 × 4.64 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.67 mm7.28 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683889
Side View
Table 60.0%Crown 39.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.5%

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 1
Current: $1,350 USD|Low: $360 USD|High: $1,850 USD|Avg: $773 USD|-27.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$360 USD
Retailer 4$443 USD
Retailer 3$494 USD
Retailer 6$510 USD
Retailer 8$805 USD
Retailer 7$910 USD
Retailer 9$937 USD
Retailer 2$1,068 USD
Brilliant Earth$1,350 USD

41 data points across 9 retailers

9 retailers$360 USD to $1,350 USD

B+
Cheapest Retailer
-
$360 USD
A
Retailer 2
-
$443 USD
€422 EUR
View
A
Retailer 3
-
$494 USD
£389 GBP
View
A
Retailer 4
-
$510 USD
View
B+
Retailer 5
-
$805 USD
View
B+
Retailer 6
-
$910 USD
View
Retailer 7
-
$937 USD
A$1,441 AUD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$1,068 USD
£841 GBP
View
Most Expensive
B
Brilliant Earth
22200569A · Oct 31
$1,350 USD
View
8 more retailers have this diamond
Prices start from $360 USDSave up to $990 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
1.51ct Heart
$360 USD