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Round|Lab Grown|IGI

1.83ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG607342744

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607342744

Diamond specifications and retailer prices

From $584 AUD
$409 USD
As of November 3, 2026
Save $2,219 AUD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,803 AUD at Taylor and Hart · As of November 3, 2026
View at Taylor and Hart

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607342744 or 607342744. Listed at 14 retailers as of November 3, 2026, with prices from $584 to $2,803, a $2,219 spread on the same certified stone. Taylor and Hart lists it at $2,803. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607342744
Dimensions7.86 × 7.91 × 4.81 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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 mm7.91 mm1.83 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607342744
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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: Nov 3
Current: $604 AUD|Low: $584 AUD|High: $2,803 AUD|Avg: $1,531 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 3, 2026
Retailer 9$584 AUD
Retailer 1$604 AUD
Retailer 10$980 AUD
Retailer 6$985 AUD
Retailer 7$1,033 AUD
Retailer 3$1,162 AUD
Retailer 2$1,263 AUD
Retailer 5$1,893 AUD
Retailer 8$2,265 AUD
Retailer 4$2,524 AUD
Taylor and Hart$2,803 AUD

31 data points across 11 retailers

14 retailers$584 AUD to $2,803 AUD

Retailer 1
-
$521 AUD
$365 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$584 AUD
$409 USD
View
Final sale: no returns
A
Retailer 3
-
$604 AUD
$423 USD
View
Retailer 4
-
$638 AUD
$447 USD
View
Price last confirmed 38 days ago
B+
Retailer 5
-
$980 AUD
$687 USD
View
B+
Retailer 6
-
$985 AUD
$690 USD
View
B+
Retailer 7
-
$1,033 AUD
$724 USD
View
B+
Retailer 8
-
$1,162 AUD
£641 GBP
View
B+
Retailer 9
-
$1,377 AUD
$965 USD
View
B
Retailer 10
-
$1,893 AUD
$1,327 USD
View
Retailer 11
-
$2,076 AUD
$1,455 USD
View
Price last confirmed 38 days ago
B
Retailer 12
-
$2,265 AUD
SGD 2,145 SGD
View
B
Retailer 13
-
$2,524 AUD
£1,393 GBP
View
Most Expensive
B
Taylor and Hart
P9ELMS9 · Nov 3
$2,803 AUD
$1,964 USD
View
13 more retailers have this diamond
Prices start from $584 AUDSave up to $2,219 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
$584 AUD