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3.80ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6541485245

Certificate GIA 6541485245

Diamond specifications and retailer prices

From HK$333,521 HKD
$42,510 USD
As of October 31, 2026
Save HK$268,875 HKD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$602,396 HKD at MOH London · As of October 29, 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 6541485245. Listed at 14 retailers as of October 29, 2026, with prices from HK$333,521 to HK$602,396, a HK$268,875 spread on the same certified stone. MOH London lists it at HK$602,396. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6541485245
Dimensions9.87 × 9.92 × 6.20 mm
L/W Ratio1.01
Top View
9.87 mm9.92 mm3.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6541485245
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: Oct 31
Current: HK$602,396 HKD|Low: HK$349,748 HKD|High: HK$606,411 HKD|Avg: HK$423,296 HKD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4HK$350,643 HKD
Retailer 11HK$351,150 HKD
Retailer 3HK$378,783 HKD
Retailer 5HK$387,709 HKD
Retailer 9HK$399,652 HKD
Retailer 10HK$399,652 HKD
Retailer 8HK$415,634 HKD
Retailer 7HK$431,623 HKD
Retailer 2HK$453,781 HKD
Retailer 6HK$468,491 HKD
MOH LondonHK$602,396 HKD

27 data points across 11 retailers

14 retailersHK$333,521 HKD to HK$602,396 HKD

B+
Cheapest Retailer
-
HK$333,521 HKD
$42,510 USD
B+
Retailer 2
-
HK$350,643 HKD
₹4,256,422 INR
View
B+
Retailer 3
-
HK$351,150 HKD
$44,757 USD
View
B+
Retailer 4
-
HK$353,935 HKD
$45,112 USD
View
B
Retailer 5
-
HK$378,783 HKD
$48,279 USD
View
Final sale: no returns
B
Retailer 6
-
HK$380,203 HKD
$48,460 USD
View
B+
Retailer 7
-
HK$387,709 HKD
£38,911 GBP
View
B
Retailer 8
-
HK$399,652 HKD
$50,939 USD
View
B+
Retailer 9
-
HK$399,652 HKD
$50,939 USD
View
B
Retailer 10
-
HK$415,634 HKD
$52,976 USD
View
B
Retailer 11
-
HK$431,623 HKD
$55,014 USD
View
B
Retailer 12
-
HK$453,781 HKD
€55,084 EUR
View
B
Retailer 13
-
HK$468,491 HKD
£47,018 GBP
View
Most Expensive
B
MOH London
6581C97D7 · Oct 29
HK$602,396 HKD
£60,457 GBP
View
13 more retailers have this diamond
Prices start from HK$333,521 HKDSave up to HK$268,875 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$333,521 HKD