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Heart|Lab Grown|IGI

1.81ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG720503431

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG720503431

Diamond specifications and retailer prices

From £336 GBP
$448 USD
As of October 25, 2026
Save £1,383 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,720 GBP at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

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 LG720503431 or 720503431. Listed at 18 retailers as of October 23, 2026, with prices from £336 to £1,720, a £1,383 spread on the same certified stone. Do Amore Diamonds 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

1.81
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720503431
Dimensions8.36 × 8.36 × 7.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.36 mm8.36 mm1.81 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720503431
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 56.2%

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 25
Current: £1,720 GBP|Low: £194 GBP|High: £1,817 GBP|Avg: £689 GBP|-5.4%
Do Amore Diamonds
Retailer 2
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October 25, 2026
Retailer 5£194 GBP
Retailer 13£216 GBP
Retailer 16£240 GBP
Retailer 17£310 GBP
Retailer 10£336 GBP
Retailer 2£424 GBP
Retailer 11£449 GBP
Retailer 3£460 GBP
Retailer 6£659 GBP
Retailer 8£781 GBP
Retailer 15£852 GBP
Retailer 9£897 GBP
Retailer 4£945 GBP
Retailer 14£977 GBP
Retailer 12£1,034 GBP
Retailer 7£1,130 GBP
Do Amore Diamonds£1,720 GBP

39 data points across 17 retailers

18 retailers£336 GBP to £1,720 GBP

A
Retailer 1
-
£194 GBP
$258 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£238 GBP
$317 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£240 GBP
$320 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£254 GBP
$338 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£310 GBP
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£336 GBP
$448 USD
View
A
Retailer 7
-
£424 GBP
$564 USD
View
A
Retailer 8
-
£449 GBP
ZAR 9,651 ZAR
View
A
Retailer 9
-
£460 GBP
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£659 GBP
A$1,351 AUD
View
Price last confirmed 10 days ago
B
Retailer 11
-
£781 GBP
$1,040 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£852 GBP
$1,135 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
£897 GBP
A$1,837 AUD
View
Price last confirmed 21 days ago
B
Retailer 14
-
£945 GBP
$1,259 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
£977 GBP
$1,302 USD
View
B
Retailer 16
-
£1,034 GBP
$1,377 USD
View
B
Retailer 17
-
£1,130 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-B175BE30F · Oct 23
£1,720 GBP
$2,290 USD
View
17 more retailers have this diamond
Prices start from £336 GBPSave up to £1,383 GBP

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
£336 GBP