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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG764669254

Shape and cutting style on the report: Round brilliant

Certificate IGI LG764669254

Diamond specifications and retailer prices

From £542 GBP
$722 USD
As of October 29, 2026
Save £3,220 GBP (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,762 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 LG764669254 or 764669254. Listed at 24 retailers as of October 29, 2026, with prices from £542 to £3,762, a £3,220 spread on the same certified stone. Brilliant Earth lists it at £3,762. 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 angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764669254
Dimensions7.78 × 7.82 × 4.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.78 mm7.82 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764669254
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: £3,762 GBP|Low: £607 GBP|High: £3,762 GBP|Avg: £1,493 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
October 30, 2026
Retailer 6£607 GBP
Retailer 10£762 GBP
Retailer 5£818 GBP
Retailer 8£1,002 GBP
Retailer 2£1,006 GBP
Retailer 3£1,021 GBP
Retailer 9£1,157 GBP
Retailer 13£1,550 GBP
Retailer 11£1,565 GBP
Retailer 14£2,040 GBP
Retailer 12£2,073 GBP
Retailer 4£2,118 GBP
Retailer 7£2,484 GBP
Brilliant Earth£3,762 GBP

43 data points across 14 retailers

24 retailers£542 GBP to £3,762 GBP

A
Cheapest Retailer
-
£542 GBP
$722 USD
A
Retailer 2
-
£590 GBP
$786 USD
View
A
Retailer 3
-
£607 GBP
$808 USD
View
Final sale: no returns
A
Retailer 4
-
£629 GBP
$838 USD
View
Retailer 5
-
£629 GBP
$838 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£731 GBP
HK$7,600 HKD
View
A
Retailer 7
-
£762 GBP
$1,015 USD
View
A
Retailer 8
-
£818 GBP
$1,089 USD
View
B+
Retailer 9
-
£1,002 GBP
€1,271 EUR
View
B+
Retailer 10
-
£1,006 GBP
View
B+
Retailer 11
-
£1,011 GBP
$1,346 USD
View
B+
Retailer 12
-
£1,021 GBP
$1,359 USD
View
B+
Retailer 13
-
£1,157 GBP
ZAR 24,884 ZAR
View
B+
Retailer 14
-
£1,550 GBP
$2,064 USD
View
Retailer 15
-
£1,565 GBP
A$3,207 AUD
View
Price last confirmed 8 days ago
B
Retailer 16
-
£1,769 GBP
$2,356 USD
View
B
Retailer 17
-
£2,040 GBP
$2,717 USD
View
B
Retailer 18
-
£2,073 GBP
$2,760 USD
View
B
Retailer 19
-
£2,118 GBP
SGD 3,812 SGD
View
B
Retailer 20
-
£2,146 GBP
$2,858 USD
View
B
Retailer 21
-
£2,148 GBP
$2,861 USD
View
B
Retailer 22
-
£2,169 GBP
$2,889 USD
View
B
Retailer 23
-
£2,484 GBP
View
Most Expensive
B
Brilliant Earth
19055690A · Oct 29
£3,762 GBP
$5,010 USD
View
23 more retailers have this diamond
Prices start from £542 GBPSave up to £3,220 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
£542 GBP