Round|Natural|GIA

1.18ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1242003683

Certificate GIA 1242003683

Diamond specifications and retailer prices

From HK$29,135 HKD
A$5,713 AUD
As of October 31, 2026
Save HK$8,488 HKD (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$37,623 HKD at Yorxs · As of October 30, 2026
View at Yorxs

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 1242003683. Listed at 2 retailers as of October 30, 2026, with prices from HK$29,135 to HK$37,623, a HK$8,488 spread on the same certified stone. Yorxs lists it at HK$37,623. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1242003683
Dimensions6.81 × 6.83 × 4.14 mm
L/W Ratio1.00
Top View
6.81 mm6.83 mm1.18 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242003683
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 60.7%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: HK$37,623 HKD|Low: HK$37,310 HKD|High: HK$37,623 HKD|Avg: HK$37,433 HKD|+0.6%
October 30, 2026
YorxsHK$37,623 HKD

5 data points across 1 retailer

2 retailersHK$29,135 HKD to HK$37,623 HKD

B+
Cheapest Retailer
-
HK$29,135 HKD
A$5,713 AUD
Most Expensive
B
Yorxs
ARH2392-1 · Oct 30
HK$37,623 HKD
€4,567 EUR
View
1 more retailer has this diamond
Prices start from HK$29,135 HKDSave up to HK$8,488 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$29,135 HKD