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Round|Lab Grown|IGI

1.86ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG653409256

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653409256

Diamond specifications and retailer prices

From $686 AUD
$482 USD
As of November 1, 2026
Save $1,102 AUD (62%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,788 AUD at MOH London · As of November 1, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653409256 or 653409256. Listed at 6 retailers as of November 1, 2026, with prices from $686 to $1,788, a $1,102 spread on the same certified stone. MOH London lists it at $1,788. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653409256
Dimensions7.94 × 7.92 × 4.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm7.92 mm1.86 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653409256
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.1%

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: Nov 1
Current: $1,788 AUD|Low: $651 AUD|High: $1,810 AUD|Avg: $1,071 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$686 AUD
Retailer 7$698 AUD
Retailer 5$712 AUD
Retailer 4$783 AUD
Retailer 2$1,217 AUD
Retailer 6$1,677 AUD
MOH London$1,788 AUD

9 data points across 7 retailers

6 retailers$686 AUD to $1,788 AUD

B+
Cheapest Retailer
-
$686 AUD
$482 USD
A
Retailer 2
-
$712 AUD
$500 USD
View
A
Retailer 3
-
$783 AUD
$550 USD
View
B+
Retailer 4
-
$1,217 AUD
$855 USD
View
B+
Retailer 5
-
$1,677 AUD
$1,178 USD
View
Most Expensive
B+
MOH London
LG653409256 · Nov 1
$1,788 AUD
£989 GBP
View
5 more retailers have this diamond
Prices start from $686 AUDSave up to $1,102 AUD

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
$686 AUD