Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836616616

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836616616

Diamond specifications and retailer prices

From HK$1,663 HKD
As of November 4, 2026
Save HK$5,390 HKD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$8,319 HKD at MOH London · As of October 29, 2026
View at MOH London

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836616616 or 836616616. Listed at 17 retailers as of November 4, 2026, with a 324% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616616
Dimensions6.67 × 7.51 × 4.08 mm
L/W Ratio1.13
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
6.67 mm7.51 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616616
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 54.3%

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 4
Current: HK$8,319 HKD|Low: HK$1,663 HKD|High: HK$8,319 HKD|Avg: HK$4,496 HKD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 5HK$1,663 HKD
Retailer 6HK$1,867 HKD
Retailer 3HK$1,930 HKD
Retailer 14HK$2,063 HKD
Retailer 2HK$2,338 HKD
Retailer 17HK$3,554 HKD
Retailer 12HK$3,562 HKD
Retailer 10HK$3,781 HKD
Retailer 15HK$3,978 HKD
Retailer 4HK$4,715 HKD
Retailer 11HK$5,044 HKD
Retailer 16HK$6,637 HKD
Retailer 13HK$6,661 HKD
Retailer 7HK$6,700 HKD
Retailer 8HK$7,053 HKD
Retailer 9HK$7,053 HKD
MOH LondonHK$8,319 HKD

11 data points across 17 retailers

17 retailersHK$1,663 HKD to HK$7,053 HKD

A
Cheapest Retailer
-
HK$1,663 HKD
A
Retailer 2
-
HK$1,867 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,930 HKD
View
A
Retailer 4
-
HK$2,063 HKD
View
A
Retailer 5
-
HK$2,338 HKD
View
A
Retailer 6
-
HK$3,554 HKD
View
A
Retailer 7
-
HK$3,562 HKD
View
A
Retailer 8
-
HK$3,781 HKD
View
B+
Retailer 9
-
HK$3,978 HKD
View
B+
Retailer 10
-
HK$4,715 HKD
View
B+
Retailer 11
-
HK$5,044 HKD
View
B
Retailer 12
-
HK$6,637 HKD
View
B
Retailer 13
-
HK$6,661 HKD
View
B
Retailer 14
-
HK$6,700 HKD
View
B
Retailer 15
-
HK$7,053 HKD
View
B
Retailer 16
-
HK$7,053 HKD
View
Most Expensive
MOH London
LG836616616 · Oct 29
HK$8,319 HKD
£835 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from HK$1,663 HKDSave up to HK$5,390 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$1,663 HKD