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Heart|Lab Grown|IGI

1.81ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG678590671

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG678590671

Diamond specifications and retailer prices

From $356 USD
As of October 27, 2026
Save $1,864 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,220 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.81ct lab-grown heart diamond

This 1.81ct 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 LG678590671 or 678590671. Listed at 12 retailers as of October 27, 2026, with prices from $356 to $2,220, a $1,864 spread on the same certified stone. Brilliant Earth lists it at $2,220. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678590671
Dimensions7.73 × 8.42 × 4.98 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Top View
7.73 mm8.42 mm1.81 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678590671
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.1%

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 27
Current: $2,220 USD|Low: $399 USD|High: $2,600 USD|Avg: $1,250 USD|-14.6%
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
Retailer 14
Retailer 15
October 29, 2026
Retailer 14$399 USD
Retailer 15$589 USD
Retailer 2$686 USD
Retailer 13$708 USD
Retailer 9$710 USD
Retailer 5$899 USD
Retailer 7$964 USD
Retailer 8$1,024 USD
Retailer 11$1,294 USD
Retailer 12$1,419 USD
Retailer 3$1,657 USD
Retailer 10$1,734 USD
Retailer 6$1,946 USD
Retailer 4$2,035 USD
Brilliant Earth$2,220 USD

24 data points across 15 retailers

12 retailers$356 USD to $2,220 USD

A
Cheapest Retailer
-
$356 USD
A
Retailer 2
-
$399 USD
View
Final sale: no returns
A
Retailer 3
-
$413 USD
View
A
Retailer 4
-
$589 USD
HK$4,600 HKD
View
B+
Retailer 5
-
$686 USD
€653 EUR
View
B+
Retailer 6
-
$708 USD
View
B+
Retailer 7
-
$710 USD
View
B+
Retailer 8
-
$1,024 USD
A$1,576 AUD
View
B
Retailer 9
-
$1,294 USD
View
B
Retailer 10
-
$1,419 USD
View
B
Retailer 11
-
$1,734 USD
£1,365 GBP
View
Most Expensive
B
Brilliant Earth
15435809A · Oct 28
$2,220 USD
View
11 more retailers have this diamond
Prices start from $356 USDSave up to $1,864 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
1.81ct Heart
$356 USD