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Round|Lab Grown|IGI

1.83ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG440012268

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440012268

Diamond specifications and retailer prices

From $1,020 USD
As of October 30, 2026
Save $3,948 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,968 USD at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012268 or 440012268. Listed at 10 retailers as of October 29, 2026, with prices from $1,020 to $4,968, a $3,948 spread on the same certified stone. MOH London lists it at $4,968. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012268
Dimensions7.85 × 7.77 × 4.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.85 mm7.77 mm1.83 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012268
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,968 USD|Low: $1,020 USD|High: $5,008 USD|Avg: $2,506 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,020 USD
Retailer 8$1,117 USD
Retailer 4$1,623 USD
Retailer 5$1,670 USD
Retailer 7$2,356 USD
Retailer 3$2,726 USD
Retailer 6$3,140 USD
Retailer 9$3,873 USD
MOH London$4,968 USD

12 data points across 9 retailers

10 retailers$1,020 USD to $4,968 USD

A
Cheapest Retailer
-
$1,020 USD
B+
Retailer 2
-
$1,492 USD
View
B+
Retailer 3
-
$1,623 USD
View
B+
Retailer 4
-
$1,670 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,730 USD
View
Retailer 6
-
$1,730 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,726 USD
View
B
Retailer 8
-
$3,140 USD
View
B
Retailer 9
-
$3,243 USD
View
Most Expensive
B
MOH London
LG440012268 · Oct 29
$4,968 USD
£3,912 GBP
View
9 more retailers have this diamond
Prices start from $1,020 USDSave up to $3,948 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
$1,020 USD