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Round|Lab Grown|IGI

3.05ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG631426155

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631426155

Diamond specifications and retailer prices

From $1,917 AUD
CA$1,870 CAD
As of October 30, 2026
Save $1,457 AUD (43%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,374 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG631426155 or 631426155. Listed at 3 retailers as of October 30, 2026, with prices from $1,917 to $3,374, a $1,457 spread on the same certified stone. Brilliant Earth lists it at $3,374. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.05
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631426155
Dimensions9.22 × 9.17 × 5.77 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
9.22 mm9.17 mm3.05 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631426155
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,374 AUD|Low: $376 AUD|High: $6,136 AUD|Avg: $1,900 AUD|-45.0%
Brilliant Earth
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
August 3, 2026
Retailer 12$783 AUD
Retailer 6$1,004 AUD
Retailer 10$1,175 AUD
Retailer 3$1,233 AUD
Retailer 5$1,264 AUD
Retailer 7$1,268 AUD
Retailer 14$1,508 AUD
Retailer 8$1,604 AUD
Retailer 11$1,917 AUD
Retailer 13$2,215 AUD
Retailer 2$2,535 AUD
Retailer 9$2,773 AUD
Brilliant Earth$3,374 AUD
Retailer 4$4,015 AUD

61 data points across 14 retailers

3 retailers$1,917 AUD to $3,374 AUD

B+
Cheapest Retailer
-
$1,917 AUD
CA$1,870 CAD
B
Retailer 2
-
$2,535 AUD
$1,781 USD
View
Most Expensive
B
Brilliant Earth
19476484Y · Oct 31
$3,374 AUD
$2,370 USD
View
2 more retailers have this diamond
Prices start from $1,917 AUDSave up to $1,457 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.

B+
3.05ct Round
$1,917 AUD