CaratHunter
Plans
Round|Lab Grown|IGI

11.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG583324659

Shape and cutting style on the report: Round brilliant

Certificate IGI LG583324659

Diamond specifications and retailer prices

From $3,428 AUD
$2,408 USD
As of November 1, 2026
Save $19,108 AUD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $23,589 AUD at Do Amore Diamonds · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG583324659 or 583324659. Listed at 13 retailers as of October 31, 2026, with a 557% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583324659
Dimensions14.68 × 14.58 × 8.91 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
14.68 mm14.58 mm11.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583324659
Side View
Table 56.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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 1
Current: $23,589 AUD|Low: $2,742 AUD|High: $33,382 AUD|Avg: $10,024 AUD
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
Retailer 17
October 21, 2026
Retailer 12$3,428 AUD
Retailer 17$3,730 AUD
Retailer 15$3,839 AUD
Retailer 6$4,520 AUD
Retailer 5$5,157 AUD
Retailer 11$5,962 AUD
Retailer 2$5,965 AUD
Retailer 3$6,033 AUD
Retailer 14$6,200 AUD
Retailer 4$7,105 AUD
Retailer 10$7,780 AUD
Retailer 7$7,860 AUD
Retailer 8$8,022 AUD
Retailer 16$14,912 AUD
Retailer 13$22,536 AUD
Do Amore Diamonds$23,589 AUD
Retailer 9$33,382 AUD

11 data points across 17 retailers

13 retailers$3,428 AUD to $22,536 AUD

A
Cheapest Retailer
-
$3,428 AUD
$2,408 USD
A
Retailer 2
-
$3,730 AUD
$2,620 USD
View
A
Retailer 3
-
$3,839 AUD
$2,697 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,157 AUD
HK$28,300 HKD
View
B+
Retailer 5
-
$5,962 AUD
$4,188 USD
View
B+
Retailer 6
-
$5,965 AUD
$4,190 USD
View
B+
Retailer 7
-
$6,033 AUD
$4,238 USD
View
B+
Retailer 8
-
$6,200 AUD
$4,355 USD
View
Retailer 9
-
$7,780 AUD
$5,465 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$7,860 AUD
$5,521 USD
View
B
Retailer 11
-
$14,912 AUD
SGD 14,155 SGD
View
B
Retailer 12
-
$22,536 AUD
$15,830 USD
View
Most Expensive
Do Amore Diamonds
27-FDD5835B9 · Nov 2
$23,589 AUD
$16,570 USD
View
Price under review
12 more retailers have this diamond
Prices start from $3,428 AUDSave up to $19,108 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
$3,428 AUD