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Heart|Lab Grown|IGI

1.91ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG595360043

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG595360043

Diamond specifications and retailer prices

From $452 USD
As of October 30, 2026
Save $4,528 USD (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,980 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.91ct lab-grown heart diamond

This 1.91ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG595360043 or 595360043. Listed at 21 retailers as of October 28, 2026, with prices from $452 to $4,980, a $4,528 spread on the same certified stone. Brilliant Earth lists it at $4,980. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595360043
Dimensions7.42 × 8.62 × 5.15 mm
L/W Ratio1.16
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
7.42 mm8.62 mm1.91 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595360043
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.4°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: $4,980 USD|Low: $388 USD|High: $4,980 USD|Avg: $1,157 USD
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
October 30, 2026
Retailer 3$388 USD
Retailer 7$452 USD
Retailer 5$501 USD
Retailer 16$501 USD
Retailer 2$571 USD
Retailer 13$666 USD
Retailer 15$760 USD
Retailer 6$834 USD
Retailer 9$915 USD
Retailer 12$951 USD
Retailer 8$1,219 USD
Retailer 10$1,288 USD
Retailer 14$1,406 USD
Retailer 4$1,876 USD
Retailer 11$2,042 USD
Brilliant Earth$4,980 USD

44 data points across 16 retailers

21 retailers$452 USD to $4,980 USD

Retailer 1
-
$388 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$452 USD
View
Final sale: no returns
Retailer 3
-
$453 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$501 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$571 USD
£450 GBP
View
A
Retailer 6
-
$666 USD
View
A
Retailer 7
-
$760 USD
View
A
Retailer 8
-
$834 USD
View
A
Retailer 9
-
$915 USD
£720 GBP
View
A
Retailer 10
-
$951 USD
ZAR 15,356 ZAR
View
A
Retailer 11
-
$1,219 USD
View
A
Retailer 12
-
$1,247 USD
View
A
Retailer 13
-
$1,288 USD
A$1,982 AUD
View
A
Retailer 14
-
$1,406 USD
View
Retailer 15
-
$1,778 USD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
$1,836 USD
View
B+
Retailer 17
-
$1,876 USD
View
B+
Retailer 18
-
$1,927 USD
View
B+
Retailer 19
-
$2,042 USD
£1,608 GBP
View
B
Retailer 20
-
$3,590 USD
View
Most Expensive
B
Brilliant Earth
18517484Y · Oct 28
$4,980 USD
View
20 more retailers have this diamond
Prices start from $452 USDSave up to $4,528 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
1.91ct Heart
$452 USD