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3.86ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6355040137

Shape and cutting style on the report: Round brilliant

Certificate GIA 6355040137

Diamond specifications and retailer prices

From HK$363,177 HKD
$46,290 USD
As of November 1, 2026
Save HK$184,789 HKD (34%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$547,967 HKD at Cape Diamonds · As of October 27, 2026
View at Cape Diamonds

About this 3.86ct natural round diamond

This 3.86ct 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 6355040137. Listed at 9 retailers as of October 27, 2026, with prices from HK$363,177 to HK$547,967, a HK$184,789 spread on the same certified stone. Cape Diamonds lists it at HK$547,967. 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

3.86
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6355040137
Dimensions9.97 × 9.92 × 6.23 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.97 mm9.92 mm3.86 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6355040137
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: Nov 1
Current: HK$547,967 HKD|Low: HK$363,177 HKD|High: HK$547,967 HKD|Avg: HK$433,864 HKD|+1.6%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6HK$363,177 HKD
Retailer 7HK$370,317 HKD
Retailer 3HK$384,503 HKD
Retailer 5HK$412,119 HKD
Retailer 2HK$460,274 HKD
Retailer 4HK$497,813 HKD
Cape DiamondsHK$547,967 HKD

43 data points across 7 retailers

9 retailersHK$363,177 HKD to HK$547,967 HKD

B+
Cheapest Retailer
-
HK$363,177 HKD
$46,290 USD
B+
Retailer 2
-
HK$370,317 HKD
$47,200 USD
View
B+
Retailer 3
-
HK$384,503 HKD
₹4,667,443 INR
View
B+
Retailer 4
-
HK$389,444 HKD
$49,638 USD
View
B
Retailer 5
-
HK$412,119 HKD
$52,528 USD
View
Retailer 6
-
HK$412,119 HKD
$52,528 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
HK$460,274 HKD
£46,194 GBP
View
B
Retailer 8
-
HK$497,813 HKD
€60,429 EUR
View
Most Expensive
B
Cape Diamonds
cert_6355040137 · Oct 27
HK$547,967 HKD
ZAR 1,128,319 ZAR
View
8 more retailers have this diamond
Prices start from HK$363,177 HKDSave up to HK$184,789 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+
3.86ct Round
HK$363,177 HKD