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Oval|Lab Grown|IGI

16.78ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG586343113

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG586343113

Diamond specifications and retailer prices

From HK$30,679 HKD
£3,079 GBP
As of October 27, 2026
Save HK$191,679 HKD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$222,358 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 16.78ct lab-grown oval diamond

This 16.78ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG586343113 or 586343113. Listed at 12 retailers as of October 27, 2026, with prices from HK$30,679 to HK$222,358, a HK$191,679 spread on the same certified stone. Brilliant Earth lists it at HK$222,358. 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

16.78
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586343113
Dimensions20.92 × 14.57 × 9.05 mm
L/W Ratio1.44
Girdle conditionFaceted
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
20.92 mm14.57 mm16.78 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586343113
Side View
Table 59.0%Crown 35.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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: Oct 27
Current: HK$238,286 HKD|Low: HK$30,679 HKD|High: HK$599,946 HKD|Avg: HK$177,089 HKD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 17HK$30,679 HKD
Retailer 12HK$42,542 HKD
Retailer 18HK$55,354 HKD
Retailer 13HK$55,747 HKD
Retailer 16HK$59,591 HKD
Retailer 6HK$60,038 HKD
Retailer 2HK$60,131 HKD
Retailer 8HK$62,668 HKD
Retailer 5HK$80,786 HKD
Retailer 4HK$94,816 HKD
Retailer 19HK$105,656 HKD
Retailer 7HK$106,309 HKD
Retailer 14HK$168,065 HKD
Retailer 3HK$187,483 HKD
Retailer 15HK$204,626 HKD
Brilliant EarthHK$238,286 HKD
Retailer 9HK$430,908 HKD
Retailer 11HK$430,908 HKD
Retailer 10HK$599,946 HKD

10 data points across 19 retailers

12 retailersHK$30,679 HKD to HK$222,358 HKD

A
Cheapest Retailer
-
HK$30,679 HKD
£3,079 GBP
A
Retailer 2
-
HK$42,542 HKD
$5,422 USD
View
B+
Retailer 3
-
HK$55,354 HKD
$7,055 USD
View
B+
Retailer 4
-
HK$55,747 HKD
$7,105 USD
View
B+
Retailer 5
-
HK$59,591 HKD
$7,595 USD
View
B+
Retailer 6
-
HK$60,131 HKD
£6,035 GBP
View
B
Retailer 7
-
HK$94,816 HKD
$12,085 USD
View
B
Retailer 8
-
HK$105,656 HKD
$13,466 USD
View
B
Retailer 9
-
HK$168,065 HKD
$21,420 USD
View
B
Retailer 10
-
HK$187,483 HKD
$23,895 USD
View
B
Retailer 11
-
HK$204,626 HKD
$26,080 USD
View
Most Expensive
B
Brilliant Earth
22301118A · Oct 31
HK$222,358 HKD
$28,340 USD
View
11 more retailers have this diamond
Prices start from HK$30,679 HKDSave up to HK$191,679 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
16.78ct Oval
HK$30,679 HKD