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Round|Lab Grown|IGI

1.86ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG848623655

Shape and cutting style on the report: Round brilliant

Certificate IGI LG848623655

Diamond specifications and retailer prices

From £179 GBP
$240 USD
As of November 1, 2026
Save £656 GBP (79%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £835 GBP at Brilliant Earth · As of October 31, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848623655 or 848623655. Listed at 3 retailers as of October 31, 2026, with prices from £179 to £835, a £656 spread on the same certified stone. Brilliant Earth lists it at £835. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848623655
Dimensions7.79 × 7.83 × 4.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.79 mm7.83 mm1.86 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848623655
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £373 GBP|Low: £179 GBP|High: £380 GBP|Avg: £334 GBP|-1.2%
Retailer 1
Retailer 2
November 2, 2026
Retailer 2£179 GBP
Retailer 1£373 GBP

7 data points across 2 retailers

3 retailers£179 GBP to £835 GBP

A
Cheapest Retailer
-
£179 GBP
$240 USD
Final sale: no returns
A
Retailer 2
-
£373 GBP
View
Most Expensive
B
Brilliant Earth
22320574A · Oct 31
£835 GBP
$1,120 USD
View
2 more retailers have this diamond
Prices start from £179 GBPSave up to £656 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
£179 GBP