Round|Lab Grown|GIA

1.23ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6452332073

Certificate GIA 6452332073

Diamond specifications and retailer prices

From HK$2,055 HKD
As of November 4, 2026
Save HK$7,051 HKD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$9,107 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown 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 6452332073. Listed at 17 retailers as of November 4, 2026, with prices from HK$2,055 to HK$9,107, a HK$7,051 spread on the same certified stone. MOH London lists it at HK$9,107. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6452332073
Dimensions6.89 × 6.85 × 4.25 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.89 mm6.85 mm1.23 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452332073
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$9,107 HKD|Low: HK$2,055 HKD|High: HK$9,376 HKD|Avg: HK$4,606 HKD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 8HK$2,055 HKD
Retailer 13HK$2,510 HKD
Retailer 6HK$3,648 HKD
Retailer 11HK$3,805 HKD
Retailer 7HK$3,813 HKD
Retailer 9HK$3,852 HKD
Retailer 3HK$3,962 HKD
Retailer 5HK$4,181 HKD
Retailer 2HK$4,472 HKD
Retailer 12HK$4,574 HKD
Retailer 10HK$6,041 HKD
Retailer 4HK$6,119 HKD
MOH LondonHK$9,107 HKD

43 data points across 13 retailers

17 retailersHK$2,055 HKD to HK$9,107 HKD

Retailer 1
-
HK$1,851 HKD
Price last confirmed 27 days ago
A
Retailer 2
-
HK$2,055 HKD
View
Final sale: no returns
Retailer 3
-
HK$2,150 HKD
View
Price last confirmed 24 days ago
Retailer 4
-
HK$2,299 HKD
View
Price last confirmed 35 days ago
A
Retailer 5
-
HK$2,510 HKD
View
B+
Retailer 6
-
HK$3,648 HKD
View
B+
Retailer 7
-
HK$3,805 HKD
View
B+
Retailer 8
-
HK$3,813 HKD
View
B+
Retailer 9
-
HK$3,852 HKD
View
Retailer 10
-
HK$3,962 HKD
View
Price last confirmed 16 days ago
Retailer 11
-
HK$4,181 HKD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
HK$4,472 HKD
View
B+
Retailer 13
-
HK$4,574 HKD
View
B
Retailer 14
-
HK$6,041 HKD
View
Retailer 15
-
HK$6,119 HKD
View
Price last confirmed 27 days ago
Retailer 16
-
HK$7,382 HKD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
6452332073 · Nov 5
HK$9,107 HKD
£914 GBP
View
16 more retailers have this diamond
Prices start from HK$2,055 HKDSave up to HK$7,051 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$2,055 HKD