Radiant|Lab Grown|IGI

5.09ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG816604820

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

Certificate IGI LG816604820

Diamond specifications and retailer prices

From $3,652 NZD
£1,618 GBP
As of November 2, 2026
Save $11,811 NZD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,463 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.09ct lab-grown radiant diamond

This 5.09ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816604820 or 816604820. Listed at 13 retailers as of November 2, 2026, with prices from $3,652 to $15,463, a $11,811 spread on the same certified stone. Brilliant Earth lists it at $15,463. 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

5.09
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.2°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816604820
Dimensions12.04 × 8.61 × 5.66 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm8.61 mm5.09 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816604820
Side View
Table 69.0%Crown 48.2°Girdle: MediumPavilion 34.1°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $15,463 NZD|Low: $2,897 NZD|High: $21,132 NZD|Avg: $7,196 NZD|-26.8%
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
November 2, 2026
Retailer 2$3,652 NZD
Retailer 12$3,972 NZD
Retailer 14$4,107 NZD
Retailer 11$4,550 NZD
Retailer 13$4,831 NZD
Retailer 8$5,253 NZD
Retailer 9$5,266 NZD
Retailer 3$6,257 NZD
Retailer 4$6,279 NZD
Retailer 15$7,436 NZD
Retailer 10$8,372 NZD
Retailer 5$9,853 NZD
Retailer 6$10,569 NZD
Retailer 7$11,060 NZD
Brilliant Earth$15,463 NZD

31 data points across 15 retailers

13 retailers$3,652 NZD to $15,463 NZD

A
Cheapest Retailer
-
$3,652 NZD
£1,618 GBP
B+
Retailer 2
-
$3,972 NZD
$2,235 USD
View
B+
Retailer 3
-
$4,107 NZD
$2,311 USD
View
B+
Retailer 4
-
$4,831 NZD
$2,718 USD
View
B+
Retailer 5
-
$5,253 NZD
A$4,547 AUD
View
B+
Retailer 6
-
$5,266 NZD
ZAR 47,867 ZAR
View
B
Retailer 7
-
$6,257 NZD
£2,772 GBP
View
B
Retailer 8
-
$6,279 NZD
$3,533 USD
View
B
Retailer 9
-
$7,436 NZD
$4,184 USD
View
B+
Retailer 10
-
$8,372 NZD
£3,709 GBP
View
B
Retailer 11
-
$9,853 NZD
$5,544 USD
View
Retailer 12
-
$10,569 NZD
$5,946 USD
View
Price last confirmed 74 days ago
Most Expensive
B
Brilliant Earth
21566973A · Nov 2
$15,463 NZD
$8,700 USD
View
12 more retailers have this diamond
Prices start from $3,652 NZDSave up to $11,811 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
5.09ct Radiant
$3,652 NZD