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Round|Lab Grown|IGI

1.81ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG634440621

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634440621

Diamond specifications and retailer prices

From $512 AUD
$360 USD
As of November 1, 2026
Save $1,970 AUD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,482 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.81ct lab-grown round diamond

This 1.81ct 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 LG634440621 or 634440621. Listed at 16 retailers as of November 1, 2026, with prices from $512 to $2,482, a $1,970 spread on the same certified stone. MOH London lists it at $2,482. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634440621
Dimensions7.83 × 7.80 × 4.82 mm
L/W Ratio1.00
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
7.83 mm7.80 mm1.81 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634440621
Side View
Table 60.0%Crown 34.6°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.7%

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: Nov 1
Current: $2,482 AUD|Low: $512 AUD|High: $2,676 AUD|Avg: $1,224 AUD|-6.1%
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
Retailer 15
November 1, 2026
Retailer 3$512 AUD
Retailer 14$572 AUD
Retailer 12$594 AUD
Retailer 2$635 AUD
Retailer 7$642 AUD
Retailer 10$935 AUD
Retailer 6$940 AUD
Retailer 11$1,014 AUD
Retailer 13$1,018 AUD
Retailer 5$1,102 AUD
Retailer 4$1,489 AUD
Retailer 9$1,863 AUD
Retailer 8$2,041 AUD
Retailer 15$2,100 AUD
MOH London$2,482 AUD

31 data points across 15 retailers

16 retailers$512 AUD to $2,482 AUD

A
Cheapest Retailer
-
$512 AUD
$360 USD
A
Retailer 2
-
$572 AUD
$402 USD
View
Final sale: no returns
A
Retailer 3
-
$594 AUD
$417 USD
View
A
Retailer 4
-
$635 AUD
$446 USD
View
Retailer 5
-
$642 AUD
$451 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$668 AUD
$469 USD
View
Price last confirmed 48 days ago
A
Retailer 7
-
$935 AUD
$657 USD
View
A
Retailer 8
-
$940 AUD
$660 USD
View
A
Retailer 9
-
$1,014 AUD
$712 USD
View
A
Retailer 10
-
$1,018 AUD
$715 USD
View
A
Retailer 11
-
$1,102 AUD
ZAR 12,509 ZAR
View
B+
Retailer 12
-
$1,489 AUD
View
B
Retailer 13
-
$1,863 AUD
$1,309 USD
View
B+
Retailer 14
-
$2,041 AUD
$1,434 USD
View
B+
Retailer 15
-
$2,100 AUD
$1,475 USD
View
Most Expensive
B
MOH London
LG634440621 · Nov 1
$2,482 AUD
£1,373 GBP
View
15 more retailers have this diamond
Prices start from $512 AUDSave up to $1,970 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
1.81ct Round
$512 AUD