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Round|Natural|GIA

1.23ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6555769796

Certificate GIA 6555769796

Diamond specifications and retailer prices

From HK$25,593 HKD
$3,262 USD
As of October 30, 2026
Save HK$24,628 HKD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$50,220 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555769796. Listed at 12 retailers as of October 30, 2026, with prices from HK$25,593 to HK$50,220, a HK$24,628 spread on the same certified stone. NZ Jewellers lists it at HK$50,220. 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

1.23
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555769796
Dimensions6.82 × 6.76 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.82 mm6.76 mm1.23 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555769796
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°CuletDepth 62.8%

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$50,220 HKD|Low: HK$24,847 HKD|High: HK$51,162 HKD|Avg: HK$33,132 HKD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12HK$25,593 HKD
Retailer 3HK$26,605 HKD
Retailer 4HK$27,154 HKD
Retailer 8HK$28,825 HKD
Retailer 10HK$28,825 HKD
Retailer 9HK$29,939 HKD
Retailer 5HK$29,945 HKD
Retailer 7HK$33,230 HKD
Retailer 11HK$33,258 HKD
Retailer 6HK$33,751 HKD
Retailer 2HK$48,206 HKD
NZ JewellersHK$50,220 HKD

41 data points across 12 retailers

12 retailersHK$25,593 HKD to HK$50,220 HKD

A
Cheapest Retailer
-
HK$25,593 HKD
$3,262 USD
A
Retailer 2
-
HK$26,605 HKD
$3,391 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$28,825 HKD
$3,674 USD
View
B+
Retailer 4
-
HK$28,825 HKD
$3,674 USD
View
B+
Retailer 5
-
HK$29,939 HKD
$3,816 USD
View
B+
Retailer 6
-
HK$29,945 HKD
£3,005 GBP
View
B+
Retailer 7
-
HK$33,230 HKD
£3,335 GBP
View
B+
Retailer 8
-
HK$33,258 HKD
$4,239 USD
View
B+
Retailer 9
-
HK$33,751 HKD
€4,097 EUR
View
Retailer 10
-
HK$34,505 HKD
$4,398 USD
View
Price last confirmed 64 days ago
B
Retailer 11
-
HK$48,206 HKD
£4,838 GBP
View
Most Expensive
B
NZ Jewellers
fa709ad6-558f-4b7a-98ff-660f780ca4b6 · Oct 30
HK$50,220 HKD
$6,401 USD
View
11 more retailers have this diamond
Prices start from HK$25,593 HKDSave up to HK$24,628 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
1.23ct Round
HK$25,593 HKD