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Round|Natural|GIA

3.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1435384714

Certificate GIA 1435384714

Diamond specifications and retailer prices

From HK$348,977 HKD
$44,480 USD
As of November 1, 2026
Save HK$280,302 HKD (45%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$629,279 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.8ct natural round diamond

This 3.8ct 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 1435384714. Listed at 17 retailers as of November 1, 2026, with prices from HK$348,977 to HK$629,279, a HK$280,302 spread on the same certified stone. MOH London lists it at HK$629,279. 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

3.80
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1435384714
Dimensions9.93 × 9.85 × 6.26 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.93 mm9.85 mm3.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1435384714
Side View
Table 57.0%Crown 34.5°Girdle: 4.0Pavilion 41.6°Culet: NoneDepth 63.3%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: HK$629,279 HKD|Low: HK$335,772 HKD|High: HK$636,862 HKD|Avg: HK$434,478 HKD|-0.1%
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
November 2, 2026
Retailer 8HK$348,977 HKD
Retailer 12HK$365,147 HKD
Retailer 10HK$369,352 HKD
Retailer 11HK$385,684 HKD
Retailer 9HK$390,206 HKD
Retailer 2HK$399,851 HKD
Retailer 3HK$419,714 HKD
Retailer 13HK$419,714 HKD
Retailer 4HK$436,503 HKD
Retailer 5HK$453,293 HKD
Retailer 6HK$486,733 HKD
Retailer 7HK$522,342 HKD
MOH LondonHK$629,279 HKD

40 data points across 13 retailers

17 retailersHK$348,977 HKD to HK$629,279 HKD

B+
Cheapest Retailer
-
HK$348,977 HKD
$44,480 USD
B
Retailer 2
-
HK$365,147 HKD
$46,541 USD
View
B
Retailer 3
-
HK$369,352 HKD
$47,077 USD
View
Final sale: no returns
Retailer 4
-
HK$385,684 HKD
A$75,629 AUD
View
Price last confirmed 29 days ago
B+
Retailer 5
-
HK$390,206 HKD
$49,735 USD
View
B+
Retailer 6
-
HK$399,851 HKD
£40,129 GBP
View
B
Retailer 7
-
HK$402,924 HKD
$51,356 USD
View
B
Retailer 8
-
HK$418,254 HKD
$53,310 USD
View
B
Retailer 9
-
HK$418,254 HKD
$53,310 USD
View
B
Retailer 10
-
HK$419,714 HKD
$53,496 USD
View
B
Retailer 11
-
HK$419,714 HKD
$53,496 USD
View
B
Retailer 12
-
HK$432,220 HKD
$55,090 USD
View
B
Retailer 13
-
HK$436,503 HKD
$55,636 USD
View
B
Retailer 14
-
HK$453,293 HKD
$57,776 USD
View
B
Retailer 15
-
HK$486,733 HKD
€59,084 EUR
View
B
Retailer 16
-
HK$522,342 HKD
ZAR 1,075,555 ZAR
View
Most Expensive
B
MOH London
EBBB74014 · Nov 1
HK$629,279 HKD
£63,155 GBP
View
16 more retailers have this diamond
Prices start from HK$348,977 HKDSave up to HK$280,302 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+
3.80ct Round
HK$348,977 HKD