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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 €320 EUR
$356 USD
As of October 30, 2026
Save €1,675 EUR (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,995 EUR 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 28, 2026, with prices from €320 to €1,995, a €1,675 spread on the same certified stone. Brilliant Earth lists it at €1,995. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,995 EUR|Low: €358 EUR|High: €2,336 EUR|Avg: €1,123 EUR|-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€358 EUR
Retailer 15€529 EUR
Retailer 2€616 EUR
Retailer 13€636 EUR
Retailer 9€638 EUR
Retailer 5€808 EUR
Retailer 7€866 EUR
Retailer 8€920 EUR
Retailer 11€1,163 EUR
Retailer 12€1,275 EUR
Retailer 3€1,489 EUR
Retailer 10€1,558 EUR
Retailer 6€1,748 EUR
Retailer 4€1,828 EUR
Brilliant Earth€1,995 EUR

24 data points across 15 retailers

12 retailers€320 EUR to €1,995 EUR

A
Cheapest Retailer
-
€320 EUR
$356 USD
A
Retailer 2
-
€358 EUR
$399 USD
View
Final sale: no returns
A
Retailer 3
-
€371 EUR
$413 USD
View
A
Retailer 4
-
€529 EUR
HK$4,600 HKD
View
B+
Retailer 5
-
€616 EUR
View
B+
Retailer 6
-
€636 EUR
$708 USD
View
B+
Retailer 7
-
€638 EUR
$710 USD
View
B+
Retailer 8
-
€920 EUR
A$1,576 AUD
View
B
Retailer 9
-
€1,163 EUR
$1,294 USD
View
B
Retailer 10
-
€1,275 EUR
$1,419 USD
View
B
Retailer 11
-
€1,558 EUR
£1,365 GBP
View
Most Expensive
B
Brilliant Earth
15435809A · Oct 28
€1,995 EUR
$2,220 USD
View
11 more retailers have this diamond
Prices start from €320 EURSave up to €1,675 EUR

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
€320 EUR