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 €653 EUR
$730 USD
As of October 31, 2026
Save €2,048 EUR (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,701 EUR 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 €653 to €2,701, a €2,048 spread on the same certified stone. Adiamor lists it at €2,701. 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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €2,701 EUR|Low: €339 EUR|High: €2,828 EUR|Avg: €1,205 EUR
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€474 EUR
Retailer 4€518 EUR
Retailer 3€525 EUR
Retailer 5€653 EUR
Retailer 2€820 EUR
Retailer 10€821 EUR
Retailer 6€869 EUR
Retailer 12€911 EUR
Retailer 9€1,412 EUR
Retailer 8€1,932 EUR
Retailer 7€2,560 EUR
Adiamor€2,701 EUR

36 data points across 12 retailers

13 retailers€653 EUR to €2,701 EUR

Retailer 1
-
€423 EUR
$473 USD
Price last confirmed 38 days ago
Retailer 2
-
€474 EUR
$530 USD
View
Price last confirmed 38 days ago
Retailer 3
-
€518 EUR
$579 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
€653 EUR
$730 USD
View
A
Retailer 5
-
€820 EUR
View
B+
Retailer 6
-
€821 EUR
$917 USD
View
A
Retailer 7
-
€869 EUR
£765 GBP
View
A
Retailer 8
-
€911 EUR
$1,018 USD
View
B+
Retailer 9
-
€1,412 EUR
$1,578 USD
View
Retailer 10
-
€1,689 EUR
$1,887 USD
View
Price last confirmed 35 days ago
B+
Retailer 11
-
€1,932 EUR
£1,700 GBP
View
B
Retailer 12
-
€2,560 EUR
$2,860 USD
View
Most Expensive
B
Adiamor
D-82054893 · Oct 31
€2,701 EUR
$3,018 USD
View
12 more retailers have this diamond
Prices start from €653 EURSave up to €2,048 EUR

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
€653 EUR