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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 $730 USD
As of November 3, 2026
Save $2,288 USD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,018 USD at Adiamor · As of November 2, 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 November 2, 2026, with prices from $730 to $3,018, a $2,288 spread on the same certified stone. Adiamor lists it at $3,018. 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
Color
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: Nov 3
Current: $3,018 USD|Low: $530 USD|High: $3,110 USD|Avg: $1,346 USD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 11$530 USD
Retailer 4$579 USD
Retailer 3$587 USD
Retailer 7$730 USD
Retailer 10$917 USD
Retailer 5$921 USD
Retailer 2$962 USD
Retailer 12$1,018 USD
Retailer 9$1,578 USD
Retailer 6$2,156 USD
Retailer 8$2,860 USD
Adiamor$3,018 USD

37 data points across 12 retailers

13 retailers$730 USD to $3,018 USD

Retailer 1
-
$473 USD
Price last confirmed 40 days ago
Retailer 2
-
$530 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$579 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$730 USD
View
B+
Retailer 5
-
$917 USD
View
A
Retailer 6
-
$921 USD
€877 EUR
View
A
Retailer 7
-
$962 USD
£757 GBP
View
A
Retailer 8
-
$1,018 USD
View
B+
Retailer 9
-
$1,578 USD
View
Retailer 10
-
$1,887 USD
View
Price last confirmed 37 days ago
B+
Retailer 11
-
$2,156 USD
£1,698 GBP
View
B
Retailer 12
-
$2,860 USD
View
Most Expensive
B
Adiamor
D-82054893 · Nov 2
$3,018 USD
View
12 more retailers have this diamond
Prices start from $730 USDSave up to $2,288 USD

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
$730 USD