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Heart|Lab Grown|IGI

1.51ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG842609746

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842609746

Diamond specifications and retailer prices

From $307 USD
HK$2,400 HKD
As of November 1, 2026
Save $973 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,280 USD at Brilliant Earth · As of November 1, 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 LG842609746 or 842609746. Listed at 14 retailers as of November 1, 2026, with prices from $307 to $1,280, a $973 spread on the same certified stone. Brilliant Earth lists it at $1,280. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842609746
Dimensions6.89 × 8.09 × 4.65 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm8.09 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG842609746
Side View
Table 59.0%Crown 34.9°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 57.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,280 USD|Low: $248 USD|High: $1,290 USD|Avg: $749 USD|-0.8%
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
November 2, 2026
Retailer 3$248 USD
Retailer 6$307 USD
Retailer 10$322 USD
Retailer 12$465 USD
Retailer 14$468 USD
Retailer 9$495 USD
Retailer 13$512 USD
Retailer 2$723 USD
Retailer 8$884 USD
Retailer 4$937 USD
Retailer 11$1,104 USD
Retailer 7$1,112 USD
Retailer 5$1,119 USD
Retailer 15$1,263 USD
Brilliant Earth$1,280 USD

13 data points across 15 retailers

14 retailers$307 USD to $1,280 USD

A
Cheapest Retailer
-
$307 USD
HK$2,400 HKD
Retailer 2
-
$322 USD
£253 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
$465 USD
ZAR 7,513 ZAR
View
Price last confirmed 10 days ago
Retailer 4
-
$468 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$495 USD
£390 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
$512 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$723 USD
View
B+
Retailer 8
-
$884 USD
SGD 1,194 SGD
View
Retailer 9
-
$937 USD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$1,104 USD
£869 GBP
View
B
Retailer 11
-
$1,112 USD
View
Retailer 12
-
$1,119 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$1,263 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21838812A · Nov 1
$1,280 USD
View
13 more retailers have this diamond
Prices start from $307 USDSave up to $973 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
$307 USD