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1.18ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1525556641

Certificate GIA 1525556641

Diamond specifications and retailer prices

From HK$44,476 HKD
£4,464 GBP
As of November 1, 2026
Save HK$22,493 HKD (34%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$66,968 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.18ct natural round diamond

This 1.18ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1525556641. Listed at 3 retailers as of November 1, 2026, with prices from HK$44,476 to HK$66,968, a HK$22,493 spread on the same certified stone. MOH London lists it at HK$66,968. 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

1.18
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1525556641
Dimensions6.78 × 6.81 × 4.18 mm
L/W Ratio1.00
Top View
6.78 mm6.81 mm1.18 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525556641
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.6%

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$66,968 HKD|Low: HK$33,737 HKD|High: HK$67,775 HKD|Avg: HK$43,305 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6HK$33,737 HKD
Retailer 4HK$35,251 HKD
Retailer 5HK$37,255 HKD
Retailer 7HK$38,989 HKD
Retailer 9HK$40,126 HKD
Retailer 8HK$42,304 HKD
Retailer 2HK$44,476 HKD
Retailer 3HK$47,937 HKD
Retailer 10HK$51,939 HKD
MOH LondonHK$66,968 HKD

30 data points across 10 retailers

3 retailersHK$44,476 HKD to HK$66,968 HKD

B+
Cheapest Retailer
-
HK$44,476 HKD
£4,464 GBP
B
Retailer 2
-
HK$47,937 HKD
€5,819 EUR
View
Most Expensive
B
MOH London
4E8487882 · Nov 1
HK$66,968 HKD
£6,721 GBP
View
2 more retailers have this diamond
Prices start from HK$44,476 HKDSave up to HK$22,493 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+
1.18ct Round
HK$44,476 HKD