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Round|Lab Grown|IGI

1.85ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • IGI LG582386137

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582386137

Diamond specifications and retailer prices

From $270 AUD
$190 USD
As of October 29, 2026
Save $1,751 AUD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,022 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.85ct lab-grown round diamond

This 1.85ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG582386137 or 582386137. Listed at 9 retailers as of October 29, 2026, with prices from $270 to $2,022, a $1,751 spread on the same certified stone. Brilliant Earth lists it at $2,022. 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

1.85
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582386137
Dimensions7.96 × 7.93 × 4.74 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
7.96 mm7.93 mm1.85 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582386137
Side View
Table 61.0%Crown 32.3°Girdle: M-MPavilion 40.9°Culet: NoneDepth 59.7%

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: $2,022 AUD|Low: $270 AUD|High: $2,078 AUD|Avg: $1,023 AUD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$270 AUD
Retailer 5$313 AUD
Retailer 11$322 AUD
Retailer 9$588 AUD
Retailer 4$752 AUD
Retailer 12$865 AUD
Retailer 10$1,048 AUD
Retailer 6$1,081 AUD
Retailer 8$1,189 AUD
Retailer 3$1,419 AUD
Retailer 2$1,490 AUD
Brilliant Earth$2,022 AUD

21 data points across 12 retailers

9 retailers$270 AUD to $2,022 AUD

A
Cheapest Retailer
-
$270 AUD
$190 USD
A
Retailer 2
-
$313 AUD
$220 USD
View
A
Retailer 3
-
$322 AUD
$226 USD
View
Final sale: no returns
B+
Retailer 4
-
$588 AUD
$413 USD
View
B+
Retailer 5
-
$1,048 AUD
$736 USD
View
B
Retailer 6
-
$1,081 AUD
$759 USD
View
B
Retailer 7
-
$1,189 AUD
$835 USD
View
B
Retailer 8
-
$1,490 AUD
£824 GBP
View
Most Expensive
B
Brilliant Earth
7436246Y · Oct 29
$2,022 AUD
$1,420 USD
View
8 more retailers have this diamond
Prices start from $270 AUDSave up to $1,751 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
1.85ct Round
$270 AUD