CaratHunter
Plans
Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG835657441

Shape and cutting style on the report: Round brilliant

Certificate IGI LG835657441

Diamond specifications and retailer prices

From £448 GBP
$596 USD
As of October 29, 2026
Save £4,118 GBP (90%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,566 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG835657441 or 835657441. Listed at 24 retailers as of October 29, 2026, with prices from £448 to £4,566, a £4,118 spread on the same certified stone. Brilliant Earth lists it at £4,566. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835657441
Dimensions7.86 × 7.90 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.86 mm7.90 mm1.81 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835657441
Side View
Table 60.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.4%

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: £4,566 GBP|Low: £430 GBP|High: £4,566 GBP|Avg: £1,265 GBP|+0.2%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 20£448 GBP
Retailer 4£502 GBP
Retailer 5£555 GBP
Retailer 7£555 GBP
Retailer 11£577 GBP
Retailer 17£653 GBP
Retailer 2£713 GBP
Retailer 15£810 GBP
Retailer 18£837 GBP
Retailer 13£866 GBP
Retailer 3£886 GBP
Retailer 16£954 GBP
Retailer 10£1,067 GBP
Retailer 9£1,461 GBP
Retailer 19£1,729 GBP
Retailer 8£1,846 GBP
Retailer 12£1,884 GBP
Retailer 14£2,423 GBP
Retailer 6£2,450 GBP
Brilliant Earth£4,566 GBP

31 data points across 20 retailers

24 retailers£448 GBP to £4,566 GBP

A
Cheapest Retailer
-
£448 GBP
$596 USD
A
Retailer 2
-
£502 GBP
$668 USD
View
Retailer 3
-
£555 GBP
$739 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£555 GBP
$739 USD
View
A
Retailer 5
-
£577 GBP
$769 USD
View
Final sale: no returns
A
Retailer 6
-
£653 GBP
$870 USD
View
A
Retailer 7
-
£713 GBP
View
A
Retailer 8
-
£724 GBP
$964 USD
View
A
Retailer 9
-
£810 GBP
€1,027 EUR
View
A
Retailer 10
-
£837 GBP
$1,115 USD
View
A
Retailer 11
-
£866 GBP
View
B+
Retailer 12
-
£886 GBP
$1,180 USD
View
A
Retailer 13
-
£954 GBP
ZAR 20,529 ZAR
View
B+
Retailer 14
-
£1,067 GBP
$1,421 USD
View
B+
Retailer 15
-
£1,244 GBP
$1,657 USD
View
B+
Retailer 16
-
£1,461 GBP
$1,945 USD
View
B+
Retailer 17
-
£1,729 GBP
$2,303 USD
View
B
Retailer 18
-
£1,796 GBP
$2,392 USD
View
B
Retailer 19
-
£1,846 GBP
$2,458 USD
View
B
Retailer 20
-
£1,884 GBP
CA$3,485 CAD
View
B
Retailer 21
-
£2,423 GBP
View
B
Retailer 22
-
£2,450 GBP
$3,262 USD
View
B
Retailer 23
-
£2,613 GBP
$3,480 USD
View
Most Expensive
B
Brilliant Earth
21654421A · Oct 29
£4,566 GBP
$6,080 USD
View
23 more retailers have this diamond
Prices start from £448 GBPSave up to £4,118 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
£448 GBP