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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG769628914

Shape and cutting style on the report: Round brilliant

Certificate IGI LG769628914

Diamond specifications and retailer prices

From £260 GBP
$346 USD
As of October 29, 2026
Save £2,211 GBP (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,471 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 LG769628914 or 769628914. Listed at 23 retailers as of October 29, 2026, with prices from £260 to £2,471, a £2,211 spread on the same certified stone. Brilliant Earth lists it at £2,471. 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 angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769628914
Dimensions7.81 × 7.84 × 4.79 mm
L/W Ratio1.00
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
7.81 mm7.84 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769628914
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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 29
Current: £2,471 GBP|Low: £290 GBP|High: £3,747 GBP|Avg: £1,030 GBP|-34.1%
Brilliant Earth
Retailer 2
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
October 30, 2026
Retailer 7£290 GBP
Retailer 16£436 GBP
Retailer 9£519 GBP
Retailer 13£520 GBP
Retailer 15£553 GBP
Retailer 2£577 GBP
Retailer 5£579 GBP
Retailer 14£668 GBP
Retailer 12£748 GBP
Retailer 18£783 GBP
Retailer 6£914 GBP
Retailer 4£1,030 GBP
Retailer 8£1,067 GBP
Retailer 3£1,217 GBP
Retailer 11£1,266 GBP
Retailer 10£1,364 GBP
Retailer 17£1,941 GBP
Brilliant Earth£2,471 GBP

39 data points across 18 retailers

23 retailers£260 GBP to £2,471 GBP

A
Cheapest Retailer
-
£260 GBP
$346 USD
A
Retailer 2
-
£290 GBP
$386 USD
View
Final sale: no returns
A
Retailer 3
-
£301 GBP
$401 USD
View
A
Retailer 4
-
£322 GBP
$429 USD
View
A
Retailer 5
-
£436 GBP
$580 USD
View
A
Retailer 6
-
£519 GBP
$691 USD
View
A
Retailer 7
-
£520 GBP
€660 EUR
View
A
Retailer 8
-
£553 GBP
ZAR 11,907 ZAR
View
A
Retailer 9
-
£577 GBP
View
A
Retailer 10
-
£579 GBP
$771 USD
View
A
Retailer 11
-
£668 GBP
A$1,368 AUD
View
A
Retailer 12
-
£748 GBP
A$1,532 AUD
View
A
Retailer 13
-
£783 GBP
$1,043 USD
View
B+
Retailer 14
-
£914 GBP
$1,217 USD
View
B+
Retailer 15
-
£1,030 GBP
SGD 1,854 SGD
View
B+
Retailer 16
-
£1,036 GBP
$1,379 USD
View
B+
Retailer 17
-
£1,067 GBP
$1,421 USD
View
B+
Retailer 18
-
£1,135 GBP
$1,511 USD
View
B+
Retailer 19
-
£1,217 GBP
$1,620 USD
View
B+
Retailer 20
-
£1,266 GBP
View
Retailer 21
-
£1,364 GBP
A$2,794 AUD
View
Price last confirmed 29 days ago
B+
Retailer 22
-
£1,941 GBP
$2,585 USD
View
Most Expensive
B
Brilliant Earth
17561786A · Oct 29
£2,471 GBP
$3,290 USD
View
22 more retailers have this diamond
Prices start from £260 GBPSave up to £2,211 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
£260 GBP