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Round|Lab Grown|IGI

1.86ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG825659863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825659863

Diamond specifications and retailer prices

From £228 GBP
$304 USD
As of October 29, 2026
Save £2,302 GBP (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,531 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.86ct lab-grown round diamond

This 1.86ct 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 LG825659863 or 825659863. Listed at 20 retailers as of October 29, 2026, with prices from £228 to £2,531, a £2,302 spread on the same certified stone. Brilliant Earth lists it at £2,531. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825659863
Dimensions7.81 × 7.84 × 4.88 mm
L/W Ratio1.00
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
7.81 mm7.84 mm1.86 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825659863
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

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A+
Exceptional
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: £2,531 GBP|Low: £256 GBP|High: £2,613 GBP|Avg: £913 GBP|-3.2%
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
October 29, 2026
Retailer 4£256 GBP
Retailer 11£428 GBP
Retailer 3£432 GBP
Retailer 7£463 GBP
Retailer 13£487 GBP
Retailer 10£489 GBP
Retailer 2£502 GBP
Retailer 12£661 GBP
Retailer 16£726 GBP
Retailer 6£947 GBP
Retailer 5£949 GBP
Retailer 8£961 GBP
Retailer 17£996 GBP
Retailer 14£1,138 GBP
Retailer 9£1,271 GBP
Retailer 15£1,937 GBP
Brilliant Earth£2,531 GBP

27 data points across 17 retailers

20 retailers£228 GBP to £2,531 GBP

A+
Cheapest Retailer
-
£228 GBP
$304 USD
A
Retailer 2
-
£256 GBP
$341 USD
View
Final sale: no returns
A
Retailer 3
-
£284 GBP
$378 USD
View
A
Retailer 4
-
£428 GBP
View
A
Retailer 5
-
£432 GBP
$575 USD
View
A
Retailer 6
-
£463 GBP
$617 USD
View
A
Retailer 7
-
£487 GBP
ZAR 10,479 ZAR
View
A
Retailer 8
-
£489 GBP
€620 EUR
View
A
Retailer 9
-
£502 GBP
View
A
Retailer 10
-
£661 GBP
A$1,354 AUD
View
A
Retailer 11
-
£726 GBP
$967 USD
View
A
Retailer 12
-
£947 GBP
$1,261 USD
View
A
Retailer 13
-
£949 GBP
$1,264 USD
View
A
Retailer 14
-
£961 GBP
SGD 1,729 SGD
View
A
Retailer 15
-
£996 GBP
$1,327 USD
View
B+
Retailer 16
-
£1,138 GBP
View
B+
Retailer 17
-
£1,271 GBP
$1,692 USD
View
B+
Retailer 18
-
£1,937 GBP
$2,580 USD
View
B
Retailer 19
-
£2,013 GBP
$2,681 USD
View
Most Expensive
B
Brilliant Earth
21603048A · Oct 29
£2,531 GBP
$3,370 USD
View
19 more retailers have this diamond
Prices start from £228 GBPSave up to £2,302 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+
1.86ct Round
£228 GBP