CaratHunter
Plans
Heart|Lab Grown|IGI

1.34ct F IF Heart Lab Grown Diamond

EX • F/IF • IGI LG683536431

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG683536431

Diamond specifications and retailer prices

From $282 USD
As of November 4, 2026
Save $1,117 USD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,460 USD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.34ct lab-grown heart diamond

This 1.34ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683536431 or 683536431. Listed at 19 retailers as of November 4, 2026, with a 396% 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

1.34
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683536431
Dimensions6.87 × 7.54 × 4.50 mm
L/W Ratio1.10
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
6.87 mm7.54 mm1.34 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683536431
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,460 USD|Low: $271 USD|High: $2,460 USD|Avg: $731 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
November 5, 2026
Retailer 3$282 USD
Retailer 7$316 USD
Retailer 4$350 USD
Retailer 6$350 USD
Retailer 10$369 USD
Retailer 15$472 USD
Retailer 14$510 USD
Retailer 16$574 USD
Retailer 13$603 USD
Retailer 8$604 USD
Retailer 2$612 USD
Retailer 12$859 USD
Retailer 11$1,076 USD
Retailer 5$1,126 USD
Retailer 9$1,399 USD
Brilliant Earth$2,460 USD

44 data points across 16 retailers

19 retailers$282 USD to $1,399 USD

A
Cheapest Retailer
-
$282 USD
A
Retailer 2
-
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$328 USD
View
A
Retailer 4
-
$350 USD
View
Retailer 5
-
$350 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$369 USD
View
A
Retailer 7
-
$472 USD
View
A
Retailer 8
-
$510 USD
View
A
Retailer 9
-
$603 USD
View
A
Retailer 10
-
$604 USD
View
A
Retailer 11
-
$612 USD
View
A
Retailer 12
-
$859 USD
View
A
Retailer 13
-
$871 USD
View
A
Retailer 14
-
$980 USD
View
A
Retailer 15
-
$1,076 USD
View
B+
Retailer 16
-
$1,126 USD
View
B+
Retailer 17
-
$1,176 USD
View
B+
Retailer 18
-
$1,399 USD
View
Most Expensive
Brilliant Earth
21385914A · Oct 8
$2,460 USD
View
Price last confirmed 27 days ago
18 more retailers have this diamond
Prices start from $282 USDSave up to $1,117 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
1.34ct Heart
$282 USD