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 $5,280 NZD
$2,976 USD
As of October 27, 2026
Save $37,924 NZD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $43,204 NZD 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 $5,280 to $43,204, a $37,924 spread on the same certified stone. Brilliant Earth lists it at $43,204. 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: $43,204 NZD|Low: $4,946 NZD|High: $44,535 NZD|Avg: $12,155 NZD|-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$4,946 NZD
Retailer 13$5,280 NZD
Retailer 9$5,745 NZD
Retailer 3$6,127 NZD
Retailer 4$6,127 NZD
Retailer 6$7,161 NZD
Retailer 14$7,654 NZD
Retailer 2$8,229 NZD
Retailer 15$8,366 NZD
Retailer 10$8,802 NZD
Retailer 5$9,521 NZD
Retailer 8$10,642 NZD
Retailer 11$11,497 NZD
Retailer 7$26,306 NZD
Brilliant Earth$43,204 NZD

33 data points across 15 retailers

16 retailers$5,280 NZD to $43,204 NZD

Retailer 1
-
$4,946 NZD
£2,195 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
$5,280 NZD
$2,976 USD
View
A
Retailer 3
-
$5,745 NZD
$3,238 USD
View
Retailer 4
-
$6,127 NZD
$3,453 USD
View
Price last confirmed 7 days ago
Retailer 5
-
$6,127 NZD
$3,453 USD
View
Our latest check could not confirm this price
A
Retailer 6
-
$7,161 NZD
$4,036 USD
View
Retailer 7
-
$7,654 NZD
$4,314 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$8,229 NZD
£3,652 GBP
View
Retailer 9
-
$8,366 NZD
$4,715 USD
View
Price last confirmed 5 days ago
Retailer 10
-
$8,489 NZD
£3,767 GBP
View
Price last confirmed 21 days ago
Retailer 11
-
$8,802 NZD
$4,961 USD
View
Price last confirmed 7 days ago
A
Retailer 12
-
$9,521 NZD
$5,366 USD
View
Retailer 13
-
$10,642 NZD
€5,712 EUR
View
Price last confirmed 10 days ago
Retailer 14
-
$21,328 NZD
$12,020 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$26,306 NZD
$14,826 USD
View
Most Expensive
B
Brilliant Earth
8399061A · Oct 29
$43,204 NZD
$24,350 USD
View
15 more retailers have this diamond
Prices start from $5,280 NZDSave up to $37,924 NZD

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
$5,280 NZD