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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 HK$16,121 HKD
£1,618 GBP
As of November 2, 2026
Save HK$52,140 HKD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$68,261 HKD 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 14 retailers as of November 2, 2026, with prices from HK$16,121 to HK$68,261, a HK$52,140 spread on the same certified stone. Brilliant Earth lists it at HK$68,261. 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: HK$68,261 HKD|Low: HK$12,789 HKD|High: HK$93,290 HKD|Avg: HK$31,769 HKD|-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 2HK$16,121 HKD
Retailer 12HK$17,536 HKD
Retailer 14HK$18,132 HKD
Retailer 11HK$20,085 HKD
Retailer 13HK$21,326 HKD
Retailer 8HK$23,190 HKD
Retailer 9HK$23,248 HKD
Retailer 3HK$27,622 HKD
Retailer 4HK$27,720 HKD
Retailer 15HK$32,828 HKD
Retailer 10HK$36,959 HKD
Retailer 5HK$43,497 HKD
Retailer 6HK$46,656 HKD
Retailer 7HK$48,826 HKD
Brilliant EarthHK$68,261 HKD

31 data points across 15 retailers

14 retailersHK$16,121 HKD to HK$68,261 HKD

A
Cheapest Retailer
-
HK$16,121 HKD
£1,618 GBP
B+
Retailer 2
-
HK$17,536 HKD
$2,235 USD
View
B+
Retailer 3
-
HK$18,132 HKD
$2,311 USD
View
Retailer 4
-
HK$20,085 HKD
€2,438 EUR
View
Price last confirmed 10 days ago
B+
Retailer 5
-
HK$21,326 HKD
$2,718 USD
View
B+
Retailer 6
-
HK$23,190 HKD
A$4,547 AUD
View
B+
Retailer 7
-
HK$23,248 HKD
ZAR 47,867 ZAR
View
B
Retailer 8
-
HK$27,622 HKD
£2,772 GBP
View
B
Retailer 9
-
HK$27,720 HKD
$3,533 USD
View
B
Retailer 10
-
HK$32,828 HKD
$4,184 USD
View
B+
Retailer 11
-
HK$36,959 HKD
£3,709 GBP
View
B
Retailer 12
-
HK$43,497 HKD
$5,544 USD
View
Retailer 13
-
HK$46,656 HKD
$5,946 USD
View
Price last confirmed 74 days ago
Most Expensive
B
Brilliant Earth
21566973A · Nov 2
HK$68,261 HKD
$8,700 USD
View
13 more retailers have this diamond
Prices start from HK$16,121 HKDSave up to HK$52,140 HKD

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
HK$16,121 HKD