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Round|Lab Grown|IGI

11.54ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG581343778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG581343778

Diamond specifications and retailer prices

From $2,484 AUD
$1,745 USD
As of October 26, 2026
Save $14,613 AUD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $17,097 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 11.54ct lab-grown round diamond

This 11.54ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581343778 or 581343778. Listed at 11 retailers as of October 26, 2026, with prices from $2,484 to $17,097, a $14,613 spread on the same certified stone. Do Amore Diamonds lists it at $17,097. 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

11.54
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581343778
Dimensions14.63 × 14.68 × 8.81 mm
L/W Ratio1.00
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
14.63 mm14.68 mm11.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581343778
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.1%

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 26
Current: $17,097 AUD|Low: $2,484 AUD|High: $32,796 AUD|Avg: $11,287 AUD|-31.5%
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
Retailer 16
November 1, 2026
Retailer 12$2,484 AUD
Retailer 10$2,563 AUD
Retailer 16$3,949 AUD
Retailer 3$4,442 AUD
Retailer 11$4,548 AUD
Retailer 9$5,407 AUD
Retailer 7$6,159 AUD
Retailer 5$6,462 AUD
Retailer 15$7,458 AUD
Retailer 2$7,761 AUD
Retailer 4$8,022 AUD
Retailer 13$10,093 AUD
Retailer 14$15,245 AUD
Do Amore Diamonds$17,097 AUD
Retailer 6$22,521 AUD
Retailer 8$32,796 AUD

12 data points across 16 retailers

11 retailers$2,484 AUD to $17,097 AUD

A
Cheapest Retailer
-
$2,484 AUD
$1,745 USD
A
Retailer 2
-
$2,563 AUD
£1,418 GBP
View
Retailer 3
-
$3,949 AUD
$2,774 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$4,442 AUD
$3,120 USD
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$4,548 AUD
$3,195 USD
View
B+
Retailer 6
-
$5,407 AUD
$3,798 USD
View
Retailer 7
-
$7,458 AUD
$5,239 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
$7,761 AUD
£4,293 GBP
View
B
Retailer 9
-
$10,093 AUD
$7,090 USD
View
B
Retailer 10
-
$15,245 AUD
$10,709 USD
View
Most Expensive
B
Do Amore Diamonds
27-148F677EE · Oct 29
$17,097 AUD
$12,010 USD
View
10 more retailers have this diamond
Prices start from $2,484 AUDSave up to $14,613 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
11.54ct Round
$2,484 AUD