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Round|Lab Grown|IGI

12.09ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG610350434

Shape and cutting style on the report: Round brilliant

Certificate IGI LG610350434

Diamond specifications and retailer prices

From $5,825 AUD
$4,082 USD
As of November 1, 2026
Save $31,617 AUD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $37,442 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.09ct lab-grown round diamond

This 12.09ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG610350434 or 610350434. Listed at 20 retailers as of November 1, 2026, with prices from $5,825 to $37,442, a $31,617 spread on the same certified stone. Brilliant Earth lists it at $37,442. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG610350434
Dimensions14.84 × 14.89 × 8.93 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
14.84 mm14.89 mm12.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG610350434
Side View
Table 59.0%Crown 32.8°Girdle: MediumPavilion 41°Culet: NoneDepth 60.1%

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: Nov 1
Current: $37,442 AUD|Low: $4,994 AUD|High: $37,442 AUD|Avg: $9,918 AUD
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 18$5,202 AUD
Retailer 7$5,661 AUD
Retailer 9$5,825 AUD
Retailer 3$6,034 AUD
Retailer 16$6,036 AUD
Retailer 6$6,427 AUD
Retailer 8$7,541 AUD
Retailer 11$7,852 AUD
Retailer 17$8,160 AUD
Retailer 14$9,341 AUD
Retailer 5$9,356 AUD
Retailer 10$9,625 AUD
Retailer 2$9,722 AUD
Retailer 12$11,300 AUD
Retailer 15$14,002 AUD
Retailer 13$15,099 AUD
Retailer 4$15,181 AUD
Brilliant Earth$37,442 AUD

43 data points across 18 retailers

20 retailers$5,825 AUD to $37,442 AUD

Retailer 1
-
$5,202 AUD
$3,646 USD
Price last confirmed 12 days ago
Retailer 2
-
$5,661 AUD
$3,967 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$5,825 AUD
$4,082 USD
View
Final sale: no returns
Retailer 4
-
$6,034 AUD
$4,229 USD
View
Price last confirmed 20 days ago
Retailer 5
-
$6,034 AUD
$4,229 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$6,036 AUD
$4,230 USD
View
A
Retailer 7
-
$6,427 AUD
$4,504 USD
View
Retailer 8
-
$7,541 AUD
$5,285 USD
View
Price last confirmed 12 days ago
A
Retailer 9
-
$7,852 AUD
£4,333 GBP
View
A
Retailer 10
-
$8,160 AUD
$5,719 USD
View
B+
Retailer 11
-
$9,341 AUD
ZAR 105,752 ZAR
View
B+
Retailer 12
-
$9,356 AUD
$6,557 USD
View
B+
Retailer 13
-
$9,722 AUD
€6,489 EUR
View
B+
Retailer 14
-
$11,300 AUD
View
B
Retailer 15
-
$14,002 AUD
$9,813 USD
View
B+
Retailer 16
-
$15,099 AUD
View
B
Retailer 17
-
$15,181 AUD
$10,639 USD
View
B
Retailer 18
-
$16,753 AUD
$11,741 USD
View
B
Retailer 19
-
$21,290 AUD
$14,921 USD
View
Most Expensive
B
Brilliant Earth
20601911A · Nov 2
$37,442 AUD
$26,240 USD
View
19 more retailers have this diamond
Prices start from $5,825 AUDSave up to $31,617 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
12.09ct Round
$5,825 AUD