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Round|Natural|GIA

4.25ct I VS1 Round Natural Diamond

ID • I/VS1 • GIA 1246024685

Certificate GIA 1246024685

Diamond specifications and retailer prices

From HK$554,603 HKD
£55,660 GBP
As of October 30, 2026
Save HK$91,577 HKD (14%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$646,180 HKD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 4.25ct natural round diamond

This 4.25ct natural round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1246024685. Listed at 3 retailers as of October 29, 2026, with prices from HK$554,603 to HK$646,180, a HK$91,577 spread on the same certified stone. Blue Nile lists it at HK$646,180. 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

4.25
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246024685
Dimensions10.38 × 10.32 × 6.39 mm
L/W Ratio1.01
Top View
10.38 mm10.32 mm4.25 ctI / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246024685
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.8%

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 30
Current: HK$646,180 HKD|Low: HK$552,918 HKD|High: HK$665,519 HKD|Avg: HK$609,713 HKD|-2.9%
Blue Nile
Retailer 2
Retailer 3
October 30, 2026
Retailer 3HK$554,603 HKD
Retailer 2HK$588,169 HKD
Blue NileHK$646,180 HKD

20 data points across 3 retailers

3 retailersHK$554,603 HKD to HK$646,180 HKD

A
Cheapest Retailer
-
HK$554,603 HKD
£55,660 GBP
B+
Retailer 2
-
HK$588,169 HKD
$74,967 USD
View
Most Expensive
B+
Blue Nile
30036205 · Oct 29
HK$646,180 HKD
$82,361 USD
View
2 more retailers have this diamond
Prices start from HK$554,603 HKDSave up to HK$91,577 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
4.25ct Round
HK$554,603 HKD