Round|Lab Grown|GCAL

1.86ct E IF Round Lab Grown Diamond

ID • E/IF • GCAL 360386105

Shape and cutting style on the report: Round brilliant

Certificate GCAL 360386105

Diamond specifications and retailer prices

From £952 GBP
$1,268 USD
As of October 30, 2026
Save £3,148 GBP (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £12,248 GBP at Kay Jewelers · As of October 29, 2026
View at Kay Jewelers

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 GCAL 360386105. Listed at 8 retailers as of October 28, 2026, with a 331% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360386105
Dimensions7.86 × 7.88 × 4.87 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.86 mm7.88 mm1.86 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360386105
Side View
Table 56.0%Crown 34°Girdle: Slightly ThickPavilion 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 30
Current: £12,248 GBP|Low: £952 GBP|High: £12,248 GBP|Avg: £2,761 GBP|+198.7%
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5£952 GBP
Retailer 8£1,090 GBP
Retailer 11£1,181 GBP
Retailer 2£1,341 GBP
Retailer 3£1,967 GBP
Retailer 7£2,150 GBP
Retailer 9£2,895 GBP
Retailer 10£3,646 GBP
Retailer 4£4,100 GBP
Retailer 6£5,527 GBP
Kay Jewelers£12,248 GBP

6 data points across 11 retailers

8 retailers£952 GBP to £4,100 GBP

A
Cheapest Retailer
-
£952 GBP
$1,268 USD
B+
Retailer 2
-
£1,090 GBP
$1,452 USD
View
B+
Retailer 3
-
£1,341 GBP
A$2,748 AUD
View
B
Retailer 4
-
£2,150 GBP
CA$3,976 CAD
View
B
Retailer 5
-
£3,646 GBP
$4,855 USD
View
B
Retailer 6
-
£4,100 GBP
$5,460 USD
View
Retailer 7
-
£5,527 GBP
$7,360 USD
View
Price under review
Most Expensive
Kay Jewelers
258398898 · Oct 29
£12,248 GBP
$16,310 USD
View
Price under review
7 more retailers have this diamond
Prices start from £952 GBPSave up to £3,148 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
£952 GBP