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 $352 USD
As of October 30, 2026
Save $1,748 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,100 USD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $352 to $2,100, a $1,748 spread on the same certified stone. Brilliant Earth lists it at $2,100. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $525 USD|Low: $351 USD|High: $1,647 USD|Avg: $931 USD|-3.7%
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
October 30, 2026
Retailer 7$352 USD
Retailer 1$525 USD
Retailer 5$545 USD
Retailer 4$673 USD
Retailer 10$680 USD
Retailer 8$695 USD
Retailer 13$717 USD
Retailer 3$956 USD
Retailer 6$1,155 USD
Retailer 12$1,158 USD
Retailer 11$1,299 USD
Retailer 9$1,400 USD
Retailer 2$1,527 USD
Retailer 14$1,570 USD

21 data points across 14 retailers

15 retailers$352 USD to $2,100 USD

A
Cheapest Retailer
-
$352 USD
Final sale: no returns
A
Retailer 2
-
$525 USD
View
A
Retailer 3
-
$545 USD
View
B+
Retailer 4
-
$673 USD
ZAR 10,876 ZAR
View
B+
Retailer 5
-
$680 USD
View
B+
Retailer 6
-
$695 USD
£547 GBP
View
B+
Retailer 7
-
$717 USD
€683 EUR
View
B+
Retailer 8
-
$956 USD
A$1,470 AUD
View
B
Retailer 9
-
$1,155 USD
View
B+
Retailer 10
-
$1,158 USD
A$1,782 AUD
View
B+
Retailer 11
-
$1,299 USD
View
B
Retailer 12
-
$1,400 USD
View
B
Retailer 13
-
$1,527 USD
SGD 2,063 SGD
View
B
Retailer 14
-
$1,570 USD
£1,236 GBP
View
Most Expensive
B
Brilliant Earth
20909231A · Oct 30
$2,100 USD
View
14 more retailers have this diamond
Prices start from $352 USDSave up to $1,748 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
1.09ct Heart
$352 USD