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Round|Lab Grown|IGI

4.54ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG578321347

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578321347

Diamond specifications and retailer prices

From $1,039 AUD
$730 USD
As of October 31, 2026
Save $3,257 AUD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,296 AUD at Adiamor · As of October 31, 2026
View at Adiamor

About this 4.54ct lab-grown round diamond

This 4.54ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG578321347 or 578321347. Listed at 13 retailers as of October 31, 2026, with prices from $1,039 to $4,296, a $3,257 spread on the same certified stone. Adiamor lists it at $4,296. 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

4.54
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578321347
Dimensions10.58 × 10.62 × 6.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
10.58 mm10.62 mm4.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578321347
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

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 31
Current: $4,296 AUD|Low: $540 AUD|High: $4,499 AUD|Avg: $1,918 AUD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 11$755 AUD
Retailer 4$824 AUD
Retailer 3$836 AUD
Retailer 5$1,039 AUD
Retailer 2$1,305 AUD
Retailer 10$1,305 AUD
Retailer 6$1,383 AUD
Retailer 12$1,449 AUD
Retailer 9$2,246 AUD
Retailer 8$3,074 AUD
Retailer 7$4,071 AUD
Adiamor$4,296 AUD

37 data points across 12 retailers

13 retailers$1,039 AUD to $4,296 AUD

Retailer 1
-
$673 AUD
$473 USD
Price last confirmed 38 days ago
Retailer 2
-
$755 AUD
$530 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$824 AUD
$579 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$1,039 AUD
$730 USD
View
A
Retailer 5
-
$1,305 AUD
€873 EUR
View
B+
Retailer 6
-
$1,305 AUD
$917 USD
View
A
Retailer 7
-
$1,383 AUD
£765 GBP
View
A
Retailer 8
-
$1,449 AUD
$1,018 USD
View
B+
Retailer 9
-
$2,246 AUD
$1,578 USD
View
Retailer 10
-
$2,686 AUD
$1,887 USD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
$3,074 AUD
£1,700 GBP
View
B
Retailer 12
-
$4,071 AUD
$2,860 USD
View
Most Expensive
B
Adiamor
D-82054893 · Oct 31
$4,296 AUD
$3,018 USD
View
12 more retailers have this diamond
Prices start from $1,039 AUDSave up to $3,257 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
4.54ct Round
$1,039 AUD