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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 €251 EUR
$282 USD
As of October 30, 2026
Save €1,000 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,193 EUR 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 18 retailers as of October 30, 2026, with a 398% 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

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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: €2,193 EUR|Low: €242 EUR|High: €2,193 EUR|Avg: €651 EUR
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 1, 2026
Retailer 3€251 EUR
Retailer 7€282 EUR
Retailer 4€312 EUR
Retailer 6€312 EUR
Retailer 9€330 EUR
Retailer 15€421 EUR
Retailer 13€455 EUR
Retailer 16€512 EUR
Retailer 12€537 EUR
Retailer 8€539 EUR
Retailer 10€551 EUR
Retailer 11€760 EUR
Retailer 14€777 EUR
Retailer 5€1,004 EUR
Retailer 2€1,251 EUR
Brilliant Earth€2,193 EUR

43 data points across 16 retailers

18 retailers€251 EUR to €1,251 EUR

A
Cheapest Retailer
-
€251 EUR
$282 USD
A
Retailer 2
-
€282 EUR
$316 USD
View
Final sale: no returns
A
Retailer 3
-
€292 EUR
$328 USD
View
A
Retailer 4
-
€312 EUR
$350 USD
View
Retailer 5
-
€312 EUR
$350 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€330 EUR
£292 GBP
View
A
Retailer 7
-
€421 EUR
$472 USD
View
A
Retailer 8
-
€455 EUR
$510 USD
View
A
Retailer 9
-
€537 EUR
ZAR 9,723 ZAR
View
A
Retailer 10
-
€539 EUR
$604 USD
View
A
Retailer 11
-
€551 EUR
£487 GBP
View
A
Retailer 12
-
€760 EUR
A$1,311 AUD
View
A
Retailer 13
-
€777 EUR
$871 USD
View
A
Retailer 14
-
€874 EUR
$980 USD
View
B+
Retailer 15
-
€1,004 EUR
$1,126 USD
View
B+
Retailer 16
-
€1,049 EUR
$1,176 USD
View
B+
Retailer 17
-
€1,251 EUR
£1,105 GBP
View
Most Expensive
Brilliant Earth
21385914A · Oct 8
€2,193 EUR
$2,460 USD
View
Price last confirmed 25 days ago
17 more retailers have this diamond
Prices start from €251 EURSave up to €1,000 EUR

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
€251 EUR