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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 $510 USD
£401 GBP
As of October 30, 2026
Save $610 USD (54%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,120 USD at Brilliant Earth · As of October 28, 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 2 retailers as of October 28, 2026, with prices from $510 to $1,120, a $610 spread on the same certified stone. Brilliant Earth lists it at $1,120. 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
Color
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: Oct 30
Current: $510 USD|Low: $507 USD|High: $510 USD|Avg: $508 USD|+0.6%
October 30, 2026
Retailer 1$510 USD

4 data points across 1 retailer

2 retailers$510 USD to $1,120 USD

A
Cheapest Retailer
-
$510 USD
£401 GBP
Most Expensive
B
Brilliant Earth
22320574A · Oct 28
$1,120 USD
View
1 more retailer has this diamond
Prices start from $510 USDSave up to $610 USD

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
$510 USD