CaratHunter
Plans
Round|Natural|GIA

3.90ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1565777341

Certificate GIA 1565777341

Diamond specifications and retailer prices

From HK$297,890 HKD
₹3,616,055 INR
As of October 31, 2026
Save HK$256,718 HKD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$554,608 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.9ct natural round diamond

This 3.9ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565777341. Listed at 18 retailers as of October 31, 2026, with prices from HK$297,890 to HK$554,608, a HK$256,718 spread on the same certified stone. MOH London lists it at HK$554,608. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.90
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565777341
Dimensions9.97 × 10.01 × 6.25 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Natural
Top View
9.97 mm10.01 mm3.90 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1565777341
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 31
Current: HK$554,608 HKD|Low: HK$297,890 HKD|High: HK$557,578 HKD|Avg: HK$395,300 HKD|-0.5%
MOH London
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
November 2, 2026
Retailer 3HK$297,890 HKD
Retailer 13HK$300,170 HKD
Retailer 14HK$321,831 HKD
Retailer 17HK$325,518 HKD
Retailer 5HK$350,067 HKD
Retailer 12HK$352,298 HKD
Retailer 6HK$369,917 HKD
Retailer 4HK$379,653 HKD
Retailer 16HK$384,714 HKD
Retailer 8HK$391,987 HKD
Retailer 2HK$399,511 HKD
Retailer 11HK$403,315 HKD
Retailer 9HK$408,314 HKD
Retailer 10HK$431,108 HKD
Retailer 15HK$460,363 HKD
Retailer 7HK$539,949 HKD
MOH LondonHK$554,608 HKD

5 data points across 17 retailers

18 retailersHK$297,890 HKD to HK$554,608 HKD

A
Cheapest Retailer
-
HK$297,890 HKD
₹3,616,055 INR
B+
Retailer 2
-
HK$300,170 HKD
View
B+
Retailer 3
-
HK$321,831 HKD
$41,020 USD
View
B+
Retailer 4
-
HK$325,518 HKD
$41,490 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$327,873 HKD
A$64,292 AUD
View
B+
Retailer 6
-
HK$350,067 HKD
$44,619 USD
View
B+
Retailer 7
-
HK$352,298 HKD
£35,357 GBP
View
B
Retailer 8
-
HK$369,917 HKD
$47,149 USD
View
B
Retailer 9
-
HK$379,653 HKD
$48,390 USD
View
B
Retailer 10
-
HK$384,714 HKD
$49,035 USD
View
B
Retailer 11
-
HK$391,987 HKD
$49,962 USD
View
B+
Retailer 12
-
HK$399,511 HKD
$50,921 USD
View
B
Retailer 13
-
HK$403,315 HKD
€48,958 EUR
View
B
Retailer 14
-
HK$408,314 HKD
$52,043 USD
View
B
Retailer 15
-
HK$431,108 HKD
£43,266 GBP
View
B
Retailer 16
-
HK$460,363 HKD
ZAR 947,933 ZAR
View
B
Retailer 17
-
HK$539,949 HKD
$68,821 USD
View
Most Expensive
B
MOH London
AE23557C1 · Nov 1
HK$554,608 HKD
£55,661 GBP
View
17 more retailers have this diamond
Prices start from HK$297,890 HKDSave up to HK$256,718 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
3.90ct Round
HK$297,890 HKD