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Round|Lab Grown|IGI

1.83ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG638427887

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638427887

Diamond specifications and retailer prices

From $676 AUD
$475 USD
As of November 1, 2026
Save $980 AUD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,765 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 1.83ct lab-grown round diamond

This 1.83ct 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 LG638427887 or 638427887. Listed at 8 retailers as of October 31, 2026, with a 145% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638427887
Dimensions7.82 × 7.75 × 4.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm7.75 mm1.83 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638427887
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

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: $1,765 AUD|Low: $641 AUD|High: $1,783 AUD|Avg: $1,048 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$676 AUD
Retailer 5$690 AUD
Retailer 7$690 AUD
Retailer 4$776 AUD
Retailer 2$1,267 AUD
Retailer 6$1,656 AUD
MOH London$1,765 AUD

13 data points across 7 retailers

8 retailers$676 AUD to $1,656 AUD

B+
Cheapest Retailer
-
$676 AUD
$475 USD
A
Retailer 2
-
$690 AUD
$485 USD
View
A
Retailer 3
-
$776 AUD
$545 USD
View
Retailer 4
-
$1,217 AUD
$855 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$1,253 AUD
$880 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,267 AUD
$890 USD
View
B
Retailer 7
-
$1,656 AUD
$1,164 USD
View
Most Expensive
MOH London
LG638427887 · Oct 25
$1,765 AUD
£976 GBP
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $676 AUDSave up to $980 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
1.83ct Round
$676 AUD