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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 $475 USD
As of October 30, 2026
Save $765 USD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,240 USD 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 25, 2026, with prices from $475 to $1,240, a $765 spread on the same certified stone. MOH London lists it at $1,240. 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
Color
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: Oct 30
Current: $1,240 USD|Low: $450 USD|High: $1,252 USD|Avg: $734 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 25, 2026
Retailer 3$475 USD
Retailer 5$485 USD
Retailer 7$485 USD
Retailer 4$545 USD
Retailer 2$865 USD
Retailer 6$1,164 USD
MOH London$1,240 USD

12 data points across 7 retailers

8 retailers$475 USD to $1,240 USD

B+
Cheapest Retailer
-
$475 USD
A
Retailer 2
-
$485 USD
View
A
Retailer 3
-
$545 USD
View
B+
Retailer 4
-
$855 USD
View
B+
Retailer 5
-
$865 USD
View
B+
Retailer 6
-
$880 USD
View
B
Retailer 7
-
$1,164 USD
View
Most Expensive
B+
MOH London
LG638427887 · Oct 25
$1,240 USD
£976 GBP
View
7 more retailers have this diamond
Prices start from $475 USDSave up to $765 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
1.83ct Round
$475 USD