Round|Lab Grown|IGI

12.03ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG605385395

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605385395

Diamond specifications and retailer prices

From $3,814 AUD
$2,679 USD
As of October 29, 2026
Save $24,003 AUD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $27,817 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 12.03ct lab-grown round diamond

This 12.03ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605385395 or 605385395. Listed at 16 retailers as of October 29, 2026, with prices from $3,814 to $27,817, a $24,003 spread on the same certified stone. Brilliant Earth lists it at $27,817. 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

12.03
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605385395
Dimensions14.79 × 14.76 × 8.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
14.79 mm14.76 mm12.03 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605385395
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

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 29
Current: $27,817 AUD|Low: $3,571 AUD|High: $28,671 AUD|Avg: $7,856 AUD|-3.0%
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
October 31, 2026
Retailer 12$3,571 AUD
Retailer 15$3,814 AUD
Retailer 10$4,150 AUD
Retailer 3$4,423 AUD
Retailer 13$4,423 AUD
Retailer 9$4,427 AUD
Retailer 6$5,064 AUD
Retailer 8$5,951 AUD
Retailer 14$6,080 AUD
Retailer 11$6,492 AUD
Retailer 5$6,886 AUD
Retailer 2$7,241 AUD
Retailer 4$11,113 AUD
Retailer 7$11,860 AUD
Brilliant Earth$27,817 AUD

39 data points across 15 retailers

16 retailers$3,814 AUD to $27,817 AUD

Retailer 1
-
$3,571 AUD
£1,975 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$3,814 AUD
$2,679 USD
View
A
Retailer 3
-
$4,150 AUD
$2,915 USD
View
A
Retailer 4
-
$4,423 AUD
$3,107 USD
View
Retailer 5
-
$4,423 AUD
$3,107 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
$4,427 AUD
$3,110 USD
View
A
Retailer 7
-
$5,064 AUD
$3,557 USD
View
A
Retailer 8
-
$5,951 AUD
£3,292 GBP
View
A
Retailer 9
-
$6,080 AUD
$4,271 USD
View
A
Retailer 10
-
$6,492 AUD
$4,560 USD
View
A
Retailer 11
-
$6,886 AUD
$4,837 USD
View
A
Retailer 12
-
$7,241 AUD
€4,844 EUR
View
B+
Retailer 13
-
$11,113 AUD
$7,806 USD
View
B+
Retailer 14
-
$11,860 AUD
$8,331 USD
View
Retailer 15
-
$15,424 AUD
$10,835 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
8498091A · Oct 29
$27,817 AUD
$19,540 USD
View
15 more retailers have this diamond
Prices start from $3,814 AUDSave up to $24,003 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
12.03ct Round
$3,814 AUD