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Round|Lab Grown|IGI

4.50ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG573389361

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573389361

Diamond specifications and retailer prices

From $1,858 AUD
$1,305 USD
As of October 30, 2026
2 retailers carry this diamond
Most expensive: $3,707 AUD at Rare Carat · As of August 9, 2026
View at Rare Carat

About this 4.5ct lab-grown round diamond

This 4.5ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG573389361 or 573389361. Listed at 2 retailers as of October 30, 2026. 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

4.50
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573389361
Dimensions10.66 × 10.60 × 6.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.66 mm10.60 mm4.50 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573389361
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $3,707 AUD|Low: $833 AUD|High: $9,268 AUD|Avg: $3,739 AUD
Rare Carat
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
September 23, 2026
Retailer 13$833 AUD
Retailer 5$1,537 AUD
Retailer 10$1,681 AUD
Retailer 9$1,687 AUD
Retailer 2$1,858 AUD
Retailer 7$1,960 AUD
Retailer 14$2,879 AUD
Rare Carat$3,707 AUD
Retailer 8$3,749 AUD
Retailer 4$4,773 AUD
Retailer 11$4,983 AUD
Retailer 3$6,591 AUD
Retailer 6$6,591 AUD
Retailer 12$9,268 AUD

57 data points across 14 retailers

2 retailers

B+
Cheapest Retailer
-
$1,858 AUD
$1,305 USD
Most Expensive
Rare Carat
FAGD-48497 · Aug 9
$3,707 AUD
$2,604 USD
View
Price last confirmed 83 days ago
1 more retailer has this diamond
Prices start from $1,858 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+
4.50ct Round
$1,858 AUD