CaratHunter
Plans
Round|Natural|GIA

4.09ct F IF Round Natural Diamond

EX • F/IF • GIA 6501390202

Certificate GIA 6501390202

Diamond specifications and retailer prices

From HK$1,140,865 HKD
As of November 5, 2026
Save HK$77,062 HKD (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$1,217,927 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 4.09ct natural round diamond

This 4.09ct natural round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6501390202. Listed at 2 retailers as of November 5, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

4.09
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6501390202
Dimensions10.36 × 10.30 × 6.30 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
10.36 mm10.30 mm4.09 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6501390202
Side View
Table 57.0%Crown 33.5°GirdlePavilion 41.2°CuletDepth 61.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$642,192 HKD|Low: HK$625,961 HKD|High: HK$764,209 HKD|Avg: HK$668,639 HKD|+2.6%
April 17, 2026
Retailer 1HK$642,192 HKD

4 data points across 1 retailer

2 retailersHK$1,140,865 HKD to HK$1,217,927 HKD

B
Cheapest Retailer
-
HK$1,140,865 HKD
Most Expensive
B
Diamond Quarter
4.09IFF650225D2N · Nov 5
HK$1,217,927 HKD
£122,240 GBP
View
1 more retailer has this diamond
Prices start from HK$1,140,865 HKDSave up to HK$77,062 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
4.09ct Round
HK$1,140,865 HKD