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Round|Lab Grown|IGI

3.00ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG492134171

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492134171

Diamond specifications and retailer prices

From $914 AUD
$642 USD
As of October 29, 2026
Save $3,575 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,489 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492134171 or 492134171. Listed at 11 retailers as of October 29, 2026, with prices from $914 to $4,489, a $3,575 spread on the same certified stone. MOH London lists it at $4,489. 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

3.00
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492134171
Dimensions9.43 × 9.38 × 5.52 mm
L/W Ratio1.01
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
9.43 mm9.38 mm3.00 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492134171
Side View
Table 58.5%Crown 31.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 58.7%

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 29
Current: $4,489 AUD|Low: $710 AUD|High: $10,145 AUD|Avg: $3,635 AUD|-0.6%
MOH London
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 5$914 AUD
Retailer 11$1,022 AUD
Retailer 7$1,061 AUD
Retailer 9$1,061 AUD
Retailer 10$1,493 AUD
Retailer 8$1,733 AUD
Retailer 6$2,634 AUD
Retailer 2$2,708 AUD
MOH London$4,489 AUD
Retailer 3$4,571 AUD
Retailer 12$9,457 AUD
Retailer 4$10,145 AUD

17 data points across 12 retailers

11 retailers$914 AUD to $4,489 AUD

A
Cheapest Retailer
-
$914 AUD
$642 USD
A
Retailer 2
-
$995 AUD
$699 USD
View
A
Retailer 3
-
$1,022 AUD
$718 USD
View
Final sale: no returns
A
Retailer 4
-
$1,061 AUD
$745 USD
View
Retailer 5
-
$1,061 AUD
$745 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$1,493 AUD
$1,049 USD
View
B+
Retailer 7
-
$1,733 AUD
$1,217 USD
View
B+
Retailer 8
-
$2,634 AUD
$1,850 USD
View
B+
Retailer 9
-
$2,708 AUD
$1,902 USD
View
B+
Retailer 10
-
$2,981 AUD
$2,094 USD
View
Most Expensive
B
MOH London
LG492134171 · Oct 29
$4,489 AUD
£2,483 GBP
View
10 more retailers have this diamond
Prices start from $914 AUDSave up to $3,575 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
3.00ct Round
$914 AUD