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Round|Lab Grown|IGI

10.54ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG781635531

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781635531

Diamond specifications and retailer prices

From $2,351 AUD
£1,298 GBP
As of October 27, 2026
Save $8,251 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,602 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 10.54ct lab-grown round diamond

This 10.54ct 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 LG781635531 or 781635531. Listed at 15 retailers as of October 27, 2026, with prices from $2,351 to $10,602, a $8,251 spread on the same certified stone. Brilliant Earth lists it at $10,602. 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

10.54
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781635531
Dimensions14.18 × 14.25 × 8.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.18 mm14.25 mm10.54 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781635531
Side View
Table 62.0%Crown 32.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $10,602 AUD|Low: $2,196 AUD|High: $10,616 AUD|Avg: $4,644 AUD|-0.1%
Brilliant Earth
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 2, 2026
Retailer 7$2,264 AUD
Retailer 13$2,351 AUD
Retailer 5$2,464 AUD
Retailer 8$2,536 AUD
Retailer 3$2,627 AUD
Retailer 16$2,868 AUD
Retailer 10$2,922 AUD
Retailer 14$3,685 AUD
Retailer 9$3,855 AUD
Retailer 2$4,105 AUD
Retailer 6$4,134 AUD
Retailer 4$4,924 AUD
Retailer 12$7,819 AUD
Retailer 15$8,266 AUD
Retailer 11$8,431 AUD
Brilliant Earth$10,602 AUD

32 data points across 16 retailers

15 retailers$2,351 AUD to $10,602 AUD

Retailer 1
-
$2,264 AUD
$1,587 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$2,351 AUD
£1,298 GBP
View
Retailer 3
-
$2,464 AUD
$1,727 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$2,627 AUD
$1,841 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$2,868 AUD
$2,010 USD
View
Price last confirmed 5 days ago
A
Retailer 6
-
$2,922 AUD
HK$16,000 HKD
View
A
Retailer 7
-
$3,685 AUD
£2,033 GBP
View
A
Retailer 8
-
$3,855 AUD
€2,573 EUR
View
A
Retailer 9
-
$4,105 AUD
$2,877 USD
View
Retailer 10
-
$4,134 AUD
$2,897 USD
View
Price last confirmed 7 days ago
Retailer 11
-
$4,924 AUD
$3,451 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$7,819 AUD
$5,480 USD
View
B
Retailer 13
-
$8,266 AUD
$5,793 USD
View
B
Retailer 14
-
$8,431 AUD
SGD 7,985 SGD
View
Most Expensive
B
Brilliant Earth
18346400A · Nov 2
$10,602 AUD
$7,430 USD
View
14 more retailers have this diamond
Prices start from $2,351 AUDSave up to $8,251 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
10.54ct Round
$2,351 AUD