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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 $314 USD
As of October 30, 2026
Save $1,776 USD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,090 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $314 to $2,090, a $1,776 spread on the same certified stone. Brilliant Earth lists it at $2,090. 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: $2,090 USD|Low: $308 USD|High: $2,100 USD|Avg: $814 USD|-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
October 30, 2026
Retailer 7$314 USD
Retailer 18$351 USD
Retailer 4$365 USD
Retailer 12$390 USD
Retailer 3$525 USD
Retailer 5$545 USD
Retailer 14$631 USD
Retailer 17$670 USD
Retailer 6$680 USD
Retailer 2$695 USD
Retailer 13$708 USD
Retailer 16$951 USD
Retailer 10$981 USD
Retailer 15$1,253 USD
Retailer 8$1,299 USD
Retailer 11$1,400 USD
Retailer 9$1,596 USD
Brilliant Earth$2,090 USD

34 data points across 18 retailers

19 retailers$314 USD to $2,090 USD

A
Cheapest Retailer
-
$314 USD
A
Retailer 2
-
$351 USD
View
Final sale: no returns
A
Retailer 3
-
$365 USD
View
A
Retailer 4
-
$390 USD
View
A
Retailer 5
-
$398 USD
View
A
Retailer 6
-
$525 USD
View
A
Retailer 7
-
$545 USD
View
B+
Retailer 8
-
$631 USD
View
B+
Retailer 9
-
$670 USD
ZAR 10,819 ZAR
View
B+
Retailer 10
-
$680 USD
View
B+
Retailer 11
-
$695 USD
£547 GBP
View
B+
Retailer 12
-
$708 USD
€674 EUR
View
B+
Retailer 13
-
$951 USD
A$1,463 AUD
View
B
Retailer 14
-
$981 USD
View
B
Retailer 15
-
$1,253 USD
View
B
Retailer 16
-
$1,299 USD
View
B
Retailer 17
-
$1,400 USD
View
B
Retailer 18
-
$1,596 USD
£1,257 GBP
View
Most Expensive
B
Brilliant Earth
11244732A · Oct 29
$2,090 USD
View
18 more retailers have this diamond
Prices start from $314 USDSave up to $1,776 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
$314 USD