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Round|Lab Grown|IGI

1.86ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG492136656

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136656

Diamond specifications and retailer prices

From £769 GBP
$1,030 USD
As of October 31, 2026
Save £3,264 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,033 GBP at MOH London · As of October 27, 2026
View at MOH London

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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492136656 or 492136656. Listed at 12 retailers as of October 27, 2026, with prices from £769 to £4,033, a £3,264 spread on the same certified stone. MOH London lists it at £4,033. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136656
Dimensions7.92 × 7.88 × 4.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.92 mm7.88 mm1.86 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136656
Side View
Table 59.5%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.7%

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 31
Current: £4,033 GBP|Low: £769 GBP|High: £4,081 GBP|Avg: £2,009 GBP|+0.1%
MOH London
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 2£769 GBP
Retailer 9£1,216 GBP
Retailer 13£1,322 GBP
Retailer 12£1,361 GBP
Retailer 10£1,410 GBP
Retailer 5£1,455 GBP
Retailer 3£1,537 GBP
Retailer 4£1,900 GBP
Retailer 11£2,217 GBP
Retailer 8£2,432 GBP
Retailer 7£2,592 GBP
Retailer 14£2,644 GBP
Retailer 6£3,155 GBP
MOH London£4,033 GBP

21 data points across 14 retailers

12 retailers£769 GBP to £4,033 GBP

A
Cheapest Retailer
-
£769 GBP
$1,030 USD
A
Retailer 2
-
£1,216 GBP
$1,629 USD
View
B+
Retailer 3
-
£1,322 GBP
$1,772 USD
View
B+
Retailer 4
-
£1,361 GBP
$1,824 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,410 GBP
$1,889 USD
View
Retailer 6
-
£1,410 GBP
$1,889 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
£1,537 GBP
$2,060 USD
View
B
Retailer 8
-
£2,217 GBP
$2,971 USD
View
B
Retailer 9
-
£2,432 GBP
$3,258 USD
View
B
Retailer 10
-
£2,592 GBP
ZAR 56,113 ZAR
View
B
Retailer 11
-
£2,644 GBP
$3,542 USD
View
Most Expensive
B
MOH London
LG492136656 · Oct 27
£4,033 GBP
View
11 more retailers have this diamond
Prices start from £769 GBPSave up to £3,264 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
£769 GBP