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Round|Lab Grown|IGI

3.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG620450105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620450105

Diamond specifications and retailer prices

From $652 AUD
$457 USD
As of October 27, 2026
Save $4,513 AUD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,165 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.54ct lab-grown round diamond

This 3.54ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620450105 or 620450105. Listed at 9 retailers as of October 27, 2026, with prices from $652 to $5,165, a $4,513 spread on the same certified stone. Do Amore Diamonds lists it at $5,165. 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

3.54
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620450105
Dimensions9.75 × 9.70 × 5.99 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
9.75 mm9.70 mm3.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620450105
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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 27
Current: $5,165 AUD|Low: $482 AUD|High: $6,535 AUD|Avg: $2,277 AUD|-3.5%
Do Amore Diamonds
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
Retailer 15
October 29, 2026
Retailer 14$582 AUD
Retailer 9$652 AUD
Retailer 15$675 AUD
Retailer 13$1,140 AUD
Retailer 8$1,142 AUD
Retailer 7$1,414 AUD
Retailer 3$1,437 AUD
Retailer 6$1,501 AUD
Retailer 4$1,899 AUD
Retailer 11$2,023 AUD
Retailer 12$2,560 AUD
Retailer 10$2,640 AUD
Retailer 2$2,941 AUD
Do Amore Diamonds$5,165 AUD
Retailer 5$6,535 AUD

20 data points across 15 retailers

9 retailers$652 AUD to $5,165 AUD

Retailer 1
-
$582 AUD
$408 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$652 AUD
$457 USD
View
B+
Retailer 3
-
$1,140 AUD
$799 USD
View
A
Retailer 4
-
$1,142 AUD
$800 USD
View
Retailer 5
-
$2,023 AUD
$1,418 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$2,560 AUD
$1,794 USD
View
B+
Retailer 7
-
$2,640 AUD
$1,850 USD
View
B
Retailer 8
-
$2,941 AUD
£1,623 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A422448BA · Oct 29
$5,165 AUD
$3,620 USD
View
8 more retailers have this diamond
Prices start from $652 AUDSave up to $4,513 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
3.54ct Round
$652 AUD