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Heart|Lab Grown|IGI

1.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG823652329

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823652329

Diamond specifications and retailer prices

From €313 EUR
$350 USD
As of October 31, 2026
Save €1,566 EUR (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,880 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 LG823652329 or 823652329. Listed at 15 retailers as of October 31, 2026, with prices from €313 to €1,880, a €1,566 spread on the same certified stone. Brilliant Earth lists it at €1,880. 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 angle34.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823652329
Dimensions6.56 × 7.10 × 4.17 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.56 mm7.10 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823652329
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 58.7%

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: Oct 31
Current: €618 EUR|Low: €313 EUR|High: €1,428 EUR|Avg: €829 EUR|-3.6%
Retailer 1
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
November 1, 2026
Retailer 10€313 EUR
Retailer 13€470 EUR
Retailer 6€488 EUR
Retailer 5€603 EUR
Retailer 14€609 EUR
Retailer 1€618 EUR
Retailer 8€637 EUR
Retailer 4€855 EUR
Retailer 12€1,023 EUR
Retailer 2€1,037 EUR
Retailer 9€1,157 EUR
Retailer 7€1,246 EUR
Retailer 11€1,362 EUR
Retailer 3€1,405 EUR

21 data points across 14 retailers

15 retailers€313 EUR to €1,880 EUR

A
Cheapest Retailer
-
€313 EUR
$350 USD
Final sale: no returns
A
Retailer 2
-
€470 EUR
$525 USD
View
A
Retailer 3
-
€488 EUR
$545 USD
View
B+
Retailer 4
-
€603 EUR
ZAR 10,876 ZAR
View
B+
Retailer 5
-
€609 EUR
$680 USD
View
B+
Retailer 6
-
€618 EUR
£544 GBP
View
B+
Retailer 7
-
€637 EUR
View
B+
Retailer 8
-
€855 EUR
A$1,470 AUD
View
B
Retailer 9
-
€1,023 EUR
$1,143 USD
View
B+
Retailer 10
-
€1,037 EUR
A$1,782 AUD
View
B+
Retailer 11
-
€1,157 EUR
$1,292 USD
View
B+
Retailer 12
-
€1,246 EUR
$1,392 USD
View
B
Retailer 13
-
€1,362 EUR
SGD 2,056 SGD
View
B
Retailer 14
-
€1,405 EUR
£1,236 GBP
View
Most Expensive
B
Brilliant Earth
20909231A · Oct 31
€1,880 EUR
$2,100 USD
View
14 more retailers have this diamond
Prices start from €313 EURSave up to €1,566 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
€313 EUR