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Round|Lab Grown|IGI

1.83ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436047354

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436047354

Diamond specifications and retailer prices

From $1,452 AUD
$1,020 USD
As of October 30, 2026
Save $5,621 AUD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,073 AUD 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 LG436047354 or 436047354. Listed at 10 retailers as of October 29, 2026, with prices from $1,452 to $7,073, a $5,621 spread on the same certified stone. MOH London lists it at $7,073. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047354
Dimensions7.81 × 7.78 × 4.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.81 mm7.78 mm1.83 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047354
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.2%

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: $7,073 AUD|Low: $1,452 AUD|High: $7,129 AUD|Avg: $3,593 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,452 AUD
Retailer 4$2,124 AUD
Retailer 7$2,311 AUD
Retailer 9$2,377 AUD
Retailer 5$2,463 AUD
Retailer 11$3,354 AUD
Retailer 6$3,881 AUD
Retailer 10$4,470 AUD
Retailer 8$4,617 AUD
Retailer 3$5,514 AUD
MOH London$7,073 AUD

16 data points across 11 retailers

10 retailers$1,452 AUD to $7,073 AUD

A
Cheapest Retailer
-
$1,452 AUD
$1,020 USD
B+
Retailer 2
-
$2,124 AUD
$1,492 USD
View
B+
Retailer 3
-
$2,311 AUD
$1,623 USD
View
B+
Retailer 4
-
$2,377 AUD
$1,670 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,463 AUD
$1,730 USD
View
Retailer 6
-
$2,463 AUD
$1,730 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$3,881 AUD
$2,726 USD
View
B
Retailer 8
-
$4,470 AUD
$3,140 USD
View
B
Retailer 9
-
$4,617 AUD
$3,243 USD
View
Most Expensive
B
MOH London
LG436047354 · Oct 29
$7,073 AUD
£3,912 GBP
View
9 more retailers have this diamond
Prices start from $1,452 AUDSave up to $5,621 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
$1,452 AUD