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Heart|Lab Grown|IGI

1.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG593305276

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG593305276

Diamond specifications and retailer prices

From €281 EUR
$314 USD
As of October 30, 2026
Save €1,590 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,871 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.09ct lab-grown heart diamond

This 1.09ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG593305276 or 593305276. Listed at 19 retailers as of October 30, 2026, with prices from €281 to €1,871, a €1,590 spread on the same certified stone. Brilliant Earth lists it at €1,871. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593305276
Dimensions6.52 × 7.09 × 4.10 mm
L/W Ratio1.09
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
6.52 mm7.09 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593305276
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 57.8%

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: €1,871 EUR|Low: €276 EUR|High: €1,880 EUR|Avg: €727 EUR|-0.5%
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 8€281 EUR
Retailer 3€314 EUR
Retailer 5€327 EUR
Retailer 14€349 EUR
Retailer 4€470 EUR
Retailer 6€488 EUR
Retailer 15€565 EUR
Retailer 18€599 EUR
Retailer 7€609 EUR
Retailer 2€622 EUR
Retailer 11€629 EUR
Retailer 17€851 EUR
Retailer 12€859 EUR
Retailer 16€1,122 EUR
Retailer 9€1,163 EUR
Retailer 13€1,253 EUR
Retailer 10€1,429 EUR
Brilliant Earth€1,871 EUR

34 data points across 18 retailers

19 retailers€281 EUR to €1,871 EUR

A
Cheapest Retailer
-
€281 EUR
$314 USD
A
Retailer 2
-
€314 EUR
$351 USD
View
Final sale: no returns
A
Retailer 3
-
€327 EUR
$365 USD
View
A
Retailer 4
-
€349 EUR
$390 USD
View
A
Retailer 5
-
€356 EUR
$398 USD
View
A
Retailer 6
-
€470 EUR
$525 USD
View
A
Retailer 7
-
€488 EUR
$545 USD
View
B+
Retailer 8
-
€565 EUR
$631 USD
View
B+
Retailer 9
-
€599 EUR
ZAR 10,819 ZAR
View
B+
Retailer 10
-
€609 EUR
$680 USD
View
B+
Retailer 11
-
€622 EUR
£547 GBP
View
B+
Retailer 12
-
€629 EUR
View
B+
Retailer 13
-
€851 EUR
A$1,463 AUD
View
B+
Retailer 14
-
€859 EUR
$960 USD
View
B
Retailer 15
-
€1,122 EUR
$1,253 USD
View
B
Retailer 16
-
€1,163 EUR
$1,299 USD
View
B
Retailer 17
-
€1,253 EUR
$1,400 USD
View
B
Retailer 18
-
€1,429 EUR
£1,257 GBP
View
Most Expensive
B
Brilliant Earth
11244732A · Oct 31
€1,871 EUR
$2,090 USD
View
18 more retailers have this diamond
Prices start from €281 EURSave up to €1,590 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
1.09ct Heart
€281 EUR