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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG662412809

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG662412809

Diamond specifications and retailer prices

From HK$1,710 HKD
As of November 4, 2026
Save HK$8,107 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$9,817 HKD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662412809 or 662412809. Listed at 19 retailers as of November 4, 2026, with prices from HK$1,710 to HK$9,817, a HK$8,107 spread on the same certified stone. Reve Diamonds lists it at HK$9,817. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662412809
Dimensions7.57 × 6.43 × 4.51 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.57 mm6.43 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662412809
Side View
Table 55.0%Crown 34.3°Girdle: MediumPavilion 39.6°Culet: NoneDepth 59.6%

Caratlytics Score

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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$3,805 HKD|Low: HK$1,710 HKD|High: HK$9,924 HKD|Avg: HK$4,844 HKD|+1.5%
Retailer 1
Retailer 2
Retailer 3
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Retailer 18
Reve Diamonds
November 5, 2026
Retailer 14HK$1,710 HKD
Retailer 16HK$1,914 HKD
Retailer 3HK$1,985 HKD
Retailer 11HK$2,118 HKD
Retailer 8HK$2,165 HKD
Retailer 13HK$2,824 HKD
Retailer 2HK$3,625 HKD
Retailer 6HK$3,735 HKD
Retailer 1HK$3,805 HKD
Retailer 12HK$3,899 HKD
Retailer 9HK$4,653 HKD
Retailer 4HK$5,288 HKD
Retailer 10HK$6,159 HKD
Retailer 5HK$6,747 HKD
Retailer 15HK$6,818 HKD
Retailer 18HK$6,842 HKD
Retailer 17HK$7,234 HKD
Retailer 7HK$8,662 HKD
Reve DiamondsHK$9,817 HKD

35 data points across 19 retailers

19 retailersHK$1,710 HKD to HK$9,817 HKD

A
Cheapest Retailer
-
HK$1,710 HKD
A
Retailer 2
-
HK$1,914 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,985 HKD
View
A
Retailer 4
-
HK$2,118 HKD
View
Retailer 5
-
HK$2,165 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$2,824 HKD
View
B+
Retailer 7
-
HK$3,625 HKD
View
B+
Retailer 8
-
HK$3,735 HKD
View
B+
Retailer 9
-
HK$3,805 HKD
View
B+
Retailer 10
-
HK$3,899 HKD
View
B+
Retailer 11
-
HK$4,653 HKD
View
B+
Retailer 12
-
HK$5,288 HKD
View
B
Retailer 13
-
HK$6,159 HKD
View
B
Retailer 14
-
HK$6,747 HKD
View
B
Retailer 15
-
HK$6,818 HKD
View
B
Retailer 16
-
HK$6,842 HKD
View
B
Retailer 17
-
HK$7,234 HKD
View
B
Retailer 18
-
HK$8,662 HKD
View
Most Expensive
B
Reve Diamonds
50A7CF060 · Nov 4
HK$9,817 HKD
$1,251 USD
View
18 more retailers have this diamond
Prices start from HK$1,710 HKDSave up to HK$8,107 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 Heart
HK$1,710 HKD