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Heart|Lab Grown|IGI

1.91ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG841676831

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841676831

Diamond specifications and retailer prices

From $308 USD
As of October 30, 2026
Save $1,402 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,710 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 LG841676831 or 841676831. Listed at 13 retailers as of October 30, 2026, with prices from $308 to $1,710, a $1,402 spread on the same certified stone. Brilliant Earth lists it at $1,710. 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 angle31.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841676831
Dimensions8.63 × 7.68 × 4.82 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm7.68 mm1.91 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841676831
Side View
Table 61.0%Crown 31.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 55.9%

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: $1,710 USD|Low: $295 USD|High: $1,850 USD|Avg: $948 USD|-7.6%
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
November 1, 2026
Retailer 12$308 USD
Retailer 10$422 USD
Retailer 6$446 USD
Retailer 5$622 USD
Retailer 9$625 USD
Retailer 4$809 USD
Retailer 8$889 USD
Retailer 11$1,172 USD
Retailer 3$1,204 USD
Retailer 13$1,221 USD
Retailer 7$1,251 USD
Retailer 2$1,529 USD
Brilliant Earth$1,710 USD

28 data points across 13 retailers

13 retailers$308 USD to $1,710 USD

A
Cheapest Retailer
-
$308 USD
A
Retailer 2
-
$422 USD
HK$3,300 HKD
View
A
Retailer 3
-
$446 USD
£351 GBP
View
A
Retailer 4
-
$622 USD
View
B+
Retailer 5
-
$625 USD
View
B+
Retailer 6
-
$809 USD
View
B+
Retailer 7
-
$889 USD
A$1,368 AUD
View
B
Retailer 8
-
$1,172 USD
View
B
Retailer 9
-
$1,204 USD
View
B
Retailer 10
-
$1,221 USD
SGD 1,650 SGD
View
B
Retailer 11
-
$1,251 USD
A$1,925 AUD
View
B
Retailer 12
-
$1,529 USD
£1,204 GBP
View
Most Expensive
B
Brilliant Earth
21624204A · Oct 31
$1,710 USD
View
12 more retailers have this diamond
Prices start from $308 USDSave up to $1,402 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
$308 USD