CaratHunter
Plans
Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG757532935

Shape and cutting style on the report: Round brilliant

Certificate IGI LG757532935

Diamond specifications and retailer prices

From £425 GBP
$569 USD
As of October 29, 2026
Save £3,307 GBP (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £3,732 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG757532935 or 757532935. Listed at 23 retailers as of October 29, 2026, with prices from £425 to £3,732, a £3,307 spread on the same certified stone. Brilliant Earth lists it at £3,732. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757532935
Dimensions7.87 × 7.91 × 4.78 mm
L/W Ratio1.01
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
7.87 mm7.91 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757532935
Side View
Table 56.0%Crown 33.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

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 29
Current: £3,732 GBP|Low: £407 GBP|High: £3,732 GBP|Avg: £1,225 GBP
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 30, 2026
Retailer 5£425 GBP
Retailer 6£526 GBP
Retailer 12£627 GBP
Retailer 13£705 GBP
Retailer 10£756 GBP
Retailer 2£794 GBP
Retailer 9£803 GBP
Retailer 8£819 GBP
Retailer 11£905 GBP
Retailer 15£1,234 GBP
Retailer 3£1,307 GBP
Retailer 4£1,594 GBP
Retailer 7£1,770 GBP
Retailer 14£2,289 GBP
Brilliant Earth£3,732 GBP

30 data points across 15 retailers

23 retailers£425 GBP to £3,732 GBP

A
Cheapest Retailer
-
£425 GBP
$569 USD
A
Retailer 2
-
£475 GBP
$637 USD
View
A
Retailer 3
-
£475 GBP
$637 USD
View
Final sale: no returns
Retailer 4
-
£526 GBP
$705 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£526 GBP
$705 USD
View
A
Retailer 6
-
£627 GBP
$840 USD
View
A
Retailer 7
-
£695 GBP
$931 USD
View
A
Retailer 8
-
£705 GBP
$945 USD
View
A
Retailer 9
-
£756 GBP
A$1,558 AUD
View
A
Retailer 10
-
£794 GBP
View
A
Retailer 11
-
£803 GBP
€1,025 EUR
View
A
Retailer 12
-
£819 GBP
View
A
Retailer 13
-
£905 GBP
ZAR 19,588 ZAR
View
B+
Retailer 14
-
£966 GBP
$1,294 USD
View
Retailer 15
-
£1,234 GBP
A$2,543 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
£1,307 GBP
$1,751 USD
View
B+
Retailer 17
-
£1,385 GBP
$1,856 USD
View
Retailer 18
-
£1,425 GBP
A$2,937 AUD
View
Price last confirmed 31 days ago
B+
Retailer 19
-
£1,594 GBP
$2,136 USD
View
B
Retailer 20
-
£1,706 GBP
$2,286 USD
View
B
Retailer 21
-
£1,770 GBP
$2,371 USD
View
B
Retailer 22
-
£2,289 GBP
View
Most Expensive
B
Brilliant Earth
17197538A · Oct 29
£3,732 GBP
$5,000 USD
View
22 more retailers have this diamond
Prices start from £425 GBPSave up to £3,307 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 Round
£425 GBP