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Oval|Lab Grown|IGI

1.83ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG476186126

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG476186126

Diamond specifications and retailer prices

From $1,438 AUD
$1,010 USD
As of October 29, 2026
Save $6,029 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,467 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.83ct lab-grown oval diamond

This 1.83ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476186126 or 476186126. Listed at 12 retailers as of October 29, 2026, with prices from $1,438 to $7,467, a $6,029 spread on the same certified stone. MOH London lists it at $7,467. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476186126
Dimensions9.65 × 6.99 × 4.27 mm
L/W Ratio1.38
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
9.65 mm6.99 mm1.83 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476186126
Side View
Table 56.5%Crown 35.5°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 61.1%

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 29
Current: $7,467 AUD|Low: $1,438 AUD|High: $7,527 AUD|Avg: $3,674 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
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 10$1,438 AUD
Retailer 9$2,242 AUD
Retailer 14$2,439 AUD
Retailer 15$2,510 AUD
Retailer 3$2,601 AUD
Retailer 11$2,601 AUD
Retailer 4$2,840 AUD
Retailer 7$2,863 AUD
Retailer 5$3,516 AUD
Retailer 2$3,724 AUD
Retailer 12$4,093 AUD
Retailer 8$4,598 AUD
Retailer 13$4,874 AUD
Retailer 6$7,445 AUD
MOH London$7,467 AUD

25 data points across 15 retailers

12 retailers$1,438 AUD to $7,467 AUD

A
Cheapest Retailer
-
$1,438 AUD
$1,010 USD
B+
Retailer 2
-
$2,242 AUD
$1,575 USD
View
B+
Retailer 3
-
$2,439 AUD
$1,713 USD
View
B+
Retailer 4
-
$2,510 AUD
$1,763 USD
View
Final sale: no returns
Retailer 5
-
$2,601 AUD
$1,827 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$2,601 AUD
$1,827 USD
View
B+
Retailer 7
-
$2,840 AUD
$1,995 USD
View
B+
Retailer 8
-
$3,724 AUD
£2,060 GBP
View
B
Retailer 9
-
$4,093 AUD
$2,875 USD
View
B
Retailer 10
-
$4,598 AUD
$3,230 USD
View
B
Retailer 11
-
$4,874 AUD
$3,424 USD
View
Most Expensive
B
MOH London
LG476186126 · Oct 29
$7,467 AUD
£4,130 GBP
View
11 more retailers have this diamond
Prices start from $1,438 AUDSave up to $6,029 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 Oval
$1,438 AUD