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Radiant|Lab Grown|IGI

16.28ct G VS2 Radiant Lab Grown Diamond

ID • G/VS2 • IGI LG603344368

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG603344368

Diamond specifications and retailer prices

From $4,237 AUD
$2,976 USD
As of October 27, 2026
Save $30,428 AUD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $34,665 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 16.28ct lab-grown radiant diamond

This 16.28ct lab-grown radiant 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 LG603344368 or 603344368. Listed at 16 retailers as of October 27, 2026, with prices from $4,237 to $34,665, a $30,428 spread on the same certified stone. Brilliant Earth lists it at $34,665. 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

16.28
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603344368
Dimensions18.30 × 12.20 × 8.37 mm
L/W Ratio1.50
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
18.30 mm12.20 mm16.28 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603344368
Side View
Table 64.0%Crown 43.2°Girdle: MediumPavilion 35°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $34,665 AUD|Low: $3,968 AUD|High: $35,732 AUD|Avg: $9,752 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 28, 2026
Retailer 12$3,968 AUD
Retailer 13$4,237 AUD
Retailer 9$4,610 AUD
Retailer 3$4,916 AUD
Retailer 4$4,916 AUD
Retailer 6$5,746 AUD
Retailer 14$6,141 AUD
Retailer 2$6,602 AUD
Retailer 15$6,712 AUD
Retailer 10$7,062 AUD
Retailer 5$7,639 AUD
Retailer 8$8,538 AUD
Retailer 11$9,225 AUD
Retailer 7$21,106 AUD
Brilliant Earth$34,665 AUD

33 data points across 15 retailers

16 retailers$4,237 AUD to $34,665 AUD

Retailer 1
-
$3,968 AUD
£2,195 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
$4,237 AUD
$2,976 USD
View
A
Retailer 3
-
$4,610 AUD
$3,238 USD
View
Retailer 4
-
$4,916 AUD
$3,453 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$4,916 AUD
$3,453 USD
View
Our latest check could not confirm this price
A
Retailer 6
-
$5,746 AUD
$4,036 USD
View
Retailer 7
-
$6,141 AUD
$4,314 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$6,602 AUD
£3,652 GBP
View
Retailer 9
-
$6,712 AUD
$4,715 USD
View
Price last confirmed 5 days ago
Retailer 10
-
$6,811 AUD
£3,767 GBP
View
Price last confirmed 21 days ago
Retailer 11
-
$7,062 AUD
$4,961 USD
View
Price last confirmed 7 days ago
A
Retailer 12
-
$7,639 AUD
$5,366 USD
View
Retailer 13
-
$8,538 AUD
€5,712 EUR
View
Price last confirmed 9 days ago
Retailer 14
-
$17,112 AUD
$12,020 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$21,106 AUD
$14,826 USD
View
Most Expensive
B
Brilliant Earth
8399061A · Oct 29
$34,665 AUD
$24,350 USD
View
15 more retailers have this diamond
Prices start from $4,237 AUDSave up to $30,428 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
16.28ct Radiant
$4,237 AUD