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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG635421819

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG635421819

Diamond specifications and retailer prices

From HK$1,514 HKD
As of November 4, 2026
Save HK$7,683 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,197 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 LG635421819 or 635421819. Listed at 18 retailers as of November 4, 2026, with prices from HK$1,514 to HK$9,197, a HK$7,683 spread on the same certified stone. Reve Diamonds lists it at HK$9,197. 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 angle36°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635421819
Dimensions7.31 × 6.80 × 4.35 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.31 mm6.80 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635421819
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 59.5%

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$3,735 HKD|Low: HK$1,514 HKD|High: HK$9,290 HKD|Avg: HK$4,383 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Reve Diamonds
November 5, 2026
Retailer 13HK$1,514 HKD
Retailer 15HK$1,695 HKD
Retailer 3HK$1,757 HKD
Retailer 10HK$1,883 HKD
Retailer 8HK$1,914 HKD
Retailer 12HK$2,503 HKD
Retailer 2HK$3,287 HKD
Retailer 5HK$3,303 HKD
Retailer 7HK$3,342 HKD
Retailer 11HK$3,389 HKD
Retailer 1HK$3,735 HKD
Retailer 4HK$4,676 HKD
Retailer 14HK$6,041 HKD
Retailer 17HK$6,065 HKD
Retailer 16HK$6,465 HKD
Retailer 9HK$8,944 HKD
Retailer 6HK$8,952 HKD
Reve DiamondsHK$9,197 HKD

35 data points across 18 retailers

18 retailersHK$1,514 HKD to HK$9,197 HKD

A
Cheapest Retailer
-
HK$1,514 HKD
A
Retailer 2
-
HK$1,695 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,757 HKD
View
A
Retailer 4
-
HK$1,883 HKD
View
Retailer 5
-
HK$1,914 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$2,503 HKD
View
A
Retailer 7
-
HK$3,287 HKD
View
A
Retailer 8
-
HK$3,303 HKD
View
A
Retailer 9
-
HK$3,342 HKD
View
A
Retailer 10
-
HK$3,389 HKD
View
B+
Retailer 11
-
HK$3,735 HKD
View
B+
Retailer 12
-
HK$4,433 HKD
View
B+
Retailer 13
-
HK$4,676 HKD
View
B+
Retailer 14
-
HK$6,041 HKD
View
B
Retailer 15
-
HK$6,065 HKD
View
B
Retailer 16
-
HK$6,465 HKD
View
B
Retailer 17
-
HK$8,952 HKD
View
Most Expensive
B
Reve Diamonds
EF8A55ECE · Nov 4
HK$9,197 HKD
$1,172 USD
View
17 more retailers have this diamond
Prices start from HK$1,514 HKDSave up to HK$7,683 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$1,514 HKD