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Round|Lab Grown|IGI

1.23ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG799634541

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799634541

Diamond specifications and retailer prices

From HK$1,389 HKD
As of November 5, 2026
Save HK$7,389 HKD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$8,778 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

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 IGI LG799634541 or 799634541. Listed at 20 retailers as of November 5, 2026, with prices from HK$1,389 to HK$8,778, a HK$7,389 spread on the same certified stone. Reve Diamonds lists it at HK$8,778. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799634541
Dimensions6.86 × 6.84 × 4.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.86 mm6.84 mm1.23 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799634541
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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: Nov 5
Current: HK$3,373 HKD|Low: HK$1,334 HKD|High: HK$8,128 HKD|Avg: HK$3,606 HKD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10HK$1,389 HKD
Retailer 8HK$1,546 HKD
Retailer 3HK$1,718 HKD
Retailer 11HK$2,314 HKD
Retailer 5HK$3,044 HKD
Retailer 4HK$3,177 HKD
Retailer 1HK$3,373 HKD
Retailer 6HK$3,805 HKD
Retailer 7HK$5,837 HKD
Retailer 2HK$5,884 HKD
Retailer 9HK$8,065 HKD

40 data points across 11 retailers

20 retailersHK$1,389 HKD to HK$8,778 HKD

A
Cheapest Retailer
-
HK$1,389 HKD
A
Retailer 2
-
HK$1,546 HKD
View
Final sale: no returns
A
Retailer 3
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HK$1,608 HKD
View
A
Retailer 4
-
HK$1,718 HKD
View
Retailer 5
-
HK$1,718 HKD
View
Price last confirmed 12 days ago
A
Retailer 6
-
HK$1,906 HKD
View
B+
Retailer 7
-
HK$2,314 HKD
View
A
Retailer 8
-
HK$3,044 HKD
View
B+
Retailer 9
-
HK$3,067 HKD
View
B+
Retailer 10
-
HK$3,177 HKD
View
B+
Retailer 11
-
HK$3,373 HKD
View
B+
Retailer 12
-
HK$3,805 HKD
View
B+
Retailer 13
-
HK$4,370 HKD
View
B
Retailer 14
-
HK$5,523 HKD
View
B
Retailer 15
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HK$5,601 HKD
View
B
Retailer 16
-
HK$5,837 HKD
View
B
Retailer 17
-
HK$5,884 HKD
View
B
Retailer 18
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HK$5,947 HKD
View
Retailer 19
-
HK$8,065 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
Reve Diamonds
831BFC78D · Nov 6
HK$8,778 HKD
$1,119 USD
View
19 more retailers have this diamond
Prices start from HK$1,389 HKDSave up to HK$7,389 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$1,389 HKD