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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 $844 NZD
$475 USD
As of November 1, 2026
Save $1,224 NZD (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,203 NZD 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: $2,203 NZD|Low: $800 NZD|High: $2,226 NZD|Avg: $1,308 NZD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$844 NZD
Retailer 5$862 NZD
Retailer 7$862 NZD
Retailer 4$969 NZD
Retailer 2$1,582 NZD
Retailer 6$2,068 NZD
MOH London$2,203 NZD

13 data points across 7 retailers

8 retailers$844 NZD to $2,068 NZD

B+
Cheapest Retailer
-
$844 NZD
$475 USD
A
Retailer 2
-
$862 NZD
$485 USD
View
A
Retailer 3
-
$969 NZD
$545 USD
View
B+
Retailer 4
-
$1,520 NZD
$855 USD
View
B+
Retailer 5
-
$1,564 NZD
$880 USD
View
B+
Retailer 6
-
$1,582 NZD
$890 USD
View
B
Retailer 7
-
$2,068 NZD
$1,164 USD
View
Most Expensive
MOH London
LG638427887 · Oct 25
$2,203 NZD
£976 GBP
View
Price last confirmed 8 days ago
7 more retailers have this diamond
Prices start from $844 NZDSave up to $1,224 NZD

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
$844 NZD