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Radiant|Lab Grown|IGI

4.91ct F VS2 Radiant Lab Grown Diamond

F/VS2 • IGI LG685530136

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

Certificate IGI LG685530136

Diamond specifications and retailer prices

From HK$14,455 HKD
£1,451 GBP
As of November 2, 2026
Save HK$16,129 HKD (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$30,584 HKD at Diamond Exchange Canada · As of October 27, 2026
View at Diamond Exchange Canada

About this 4.91ct lab-grown radiant diamond

This 4.91ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included) and certified by IGI LG685530136 or 685530136. Listed at 2 retailers as of October 27, 2026, with prices from HK$14,455 to HK$30,584, a HK$16,129 spread on the same certified stone. Diamond Exchange Canada lists it at HK$30,584. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.91
Carat
F
Colour
VS2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685530136
Dimensions12.00 × 8.25 × 5.60 mm
L/W Ratio1.45
Culet sizePointed
Top View
12.00 mm8.25 mm4.91 ctF / VS2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685530136
Side View
Table 66.0%Crown 46.2°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$30,584 HKD|Low: HK$29,710 HKD|High: HK$30,584 HKD|Avg: HK$30,087 HKD|+2.9%
June 15, 2026
Diamond Exchange CanadaHK$30,584 HKD

11 data points across 1 retailer

2 retailersHK$14,455 HKD to HK$30,584 HKD

B+
Cheapest Retailer
-
HK$14,455 HKD
£1,451 GBP
Most Expensive
C
Diamond Exchange Canada
1859747317 · Oct 27
HK$30,584 HKD
CA$5,414 CAD
View
1 more retailer has this diamond
Prices start from HK$14,455 HKDSave up to HK$16,129 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.

B+
4.91ct Radiant
HK$14,455 HKD