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 $2,976 USD
As of October 27, 2026
Save $21,374 USD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $24,350 USD 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 $2,976 to $24,350, a $21,374 spread on the same certified stone. Brilliant Earth lists it at $24,350. 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
Color
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: $24,350 USD|Low: $2,787 USD|High: $25,100 USD|Avg: $6,899 USD|-3.0%
Brilliant Earth
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
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Retailer 15
October 28, 2026
Retailer 12$2,787 USD
Retailer 13$2,976 USD
Retailer 9$3,238 USD
Retailer 3$3,453 USD
Retailer 4$3,453 USD
Retailer 6$4,036 USD
Retailer 14$4,314 USD
Retailer 2$4,638 USD
Retailer 15$4,715 USD
Retailer 10$4,961 USD
Retailer 5$5,366 USD
Retailer 8$5,998 USD
Retailer 11$6,480 USD
Retailer 7$14,826 USD
Brilliant Earth$24,350 USD

34 data points across 15 retailers

16 retailers$2,976 USD to $24,350 USD

Retailer 1
-
$2,787 USD
£2,195 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
$2,976 USD
View
A
Retailer 3
-
$3,238 USD
View
A
Retailer 4
-
$3,453 USD
View
Retailer 5
-
$3,453 USD
View
Our latest check could not confirm this price
A
Retailer 6
-
$4,036 USD
View
A
Retailer 7
-
$4,314 USD
View
A
Retailer 8
-
$4,638 USD
£3,652 GBP
View
A
Retailer 9
-
$4,715 USD
View
Retailer 10
-
$4,785 USD
£3,767 GBP
View
Price last confirmed 20 days ago
A
Retailer 11
-
$4,961 USD
View
A
Retailer 12
-
$5,366 USD
View
Retailer 13
-
$5,998 USD
€5,712 EUR
View
Price last confirmed 9 days ago
Retailer 14
-
$12,020 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$14,826 USD
View
Most Expensive
B
Brilliant Earth
8399061A · Oct 29
$24,350 USD
View
15 more retailers have this diamond
Prices start from $2,976 USDSave up to $21,374 USD

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
$2,976 USD