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Round|Lab Grown|IGI

1.83ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG480171495

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480171495

Diamond specifications and retailer prices

From $1,618 AUD
As of November 5, 2026
Save $4,399 AUD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,018 AUD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480171495 or 480171495. Listed at 10 retailers as of November 5, 2026, with prices from $1,618 to $6,018, a $4,399 spread on the same certified stone. MOH London lists it at $6,018. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.83
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480171495
Dimensions7.86 × 7.88 × 4.73 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
7.86 mm7.88 mm1.83 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480171495
Side View
Table 61.5%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $6,018 AUD|Low: $1,554 AUD|High: $6,114 AUD|Avg: $3,101 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$1,618 AUD
Retailer 5$1,878 AUD
Retailer 7$1,878 AUD
Retailer 2$2,054 AUD
Retailer 3$2,128 AUD
Retailer 9$2,698 AUD
Retailer 6$2,987 AUD
Retailer 8$3,700 AUD
Retailer 10$5,375 AUD
MOH London$6,018 AUD

39 data points across 10 retailers

10 retailers$1,618 AUD to $6,018 AUD

A
Cheapest Retailer
-
$1,618 AUD
A
Retailer 2
-
$1,761 AUD
View
Retailer 3
-
$1,878 AUD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$1,878 AUD
View
A
Retailer 5
-
$2,054 AUD
View
B+
Retailer 6
-
$2,128 AUD
View
B
Retailer 7
-
$2,987 AUD
View
B
Retailer 8
-
$3,520 AUD
View
B
Retailer 9
-
$3,700 AUD
View
Most Expensive
B
MOH London
LG480171495 · Nov 5
$6,018 AUD
£3,317 GBP
View
9 more retailers have this diamond
Prices start from $1,618 AUDSave up to $4,399 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
$1,618 AUD