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Heart|Lab Grown|IGI

1.91ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG651439194

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG651439194

Diamond specifications and retailer prices

From $282 USD
As of October 30, 2026
Save $1,438 USD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,720 USD at Brilliant Earth · As of October 31, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG651439194 or 651439194. Listed at 23 retailers as of October 30, 2026, with prices from $282 to $1,720, a $1,438 spread on the same certified stone. Brilliant Earth lists it at $1,720. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651439194
Dimensions7.69 × 8.44 × 5.17 mm
L/W Ratio1.10
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
7.69 mm8.44 mm1.91 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651439194
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: $1,720 USD|Low: $282 USD|High: $2,170 USD|Avg: $865 USD|-20.7%
Brilliant Earth
Retailer 2
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Retailer 23
November 1, 2026
Retailer 4$282 USD
Retailer 9$315 USD
Retailer 3$327 USD
Retailer 5$349 USD
Retailer 18$349 USD
Retailer 10$384 USD
Retailer 2$408 USD
Retailer 11$470 USD
Retailer 19$505 USD
Retailer 17$572 USD
Retailer 23$600 USD
Retailer 13$616 USD
Retailer 7$626 USD
Retailer 6$783 USD
Retailer 22$813 USD
Retailer 12$1,073 USD
Retailer 15$1,122 USD
Retailer 21$1,123 USD
Retailer 8$1,174 USD
Retailer 16$1,247 USD
Retailer 20$1,407 USD
Retailer 14$1,454 USD
Brilliant Earth$1,720 USD

25 data points across 23 retailers

23 retailers$282 USD to $1,720 USD

A
Cheapest Retailer
-
$282 USD
A
Retailer 2
-
$315 USD
View
Final sale: no returns
A
Retailer 3
-
$327 USD
View
A
Retailer 4
-
$349 USD
View
A
Retailer 5
-
$349 USD
View
A
Retailer 6
-
$384 USD
HK$3,000 HKD
View
A
Retailer 7
-
$408 USD
£322 GBP
View
B+
Retailer 8
-
$470 USD
View
A
Retailer 9
-
$505 USD
View
A
Retailer 10
-
$572 USD
€545 EUR
View
A
Retailer 11
-
$600 USD
ZAR 9,697 ZAR
View
A
Retailer 12
-
$616 USD
£485 GBP
View
A
Retailer 13
-
$626 USD
View
B+
Retailer 14
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$783 USD
View
B+
Retailer 15
-
$813 USD
A$1,250 AUD
View
B+
Retailer 16
-
$1,073 USD
View
B
Retailer 17
-
$1,122 USD
SGD 1,516 SGD
View
B+
Retailer 18
-
$1,123 USD
View
B
Retailer 19
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$1,174 USD
View
B+
Retailer 20
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$1,247 USD
View
B
Retailer 21
-
$1,407 USD
£1,108 GBP
View
B
Retailer 22
-
$1,454 USD
View
Most Expensive
B
Brilliant Earth
18970456A · Oct 31
$1,720 USD
View
22 more retailers have this diamond
Prices start from $282 USDSave up to $1,438 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
$282 USD