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Heart|Lab Grown|IGI

1.23ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG598394354

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598394354

Diamond specifications and retailer prices

From HK$1,648 HKD
As of November 3, 2026
Save HK$6,892 HKD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$8,539 HKD at MOH London · As of November 1, 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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG598394354 or 598394354. Listed at 20 retailers as of November 1, 2026, with prices from HK$1,648 to HK$8,539, a HK$6,892 spread on the same certified stone. MOH London lists it at HK$8,539. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598394354
Dimensions6.83 × 7.32 × 4.33 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
6.83 mm7.32 mm1.23 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598394354
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

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 3
Current: HK$8,539 HKD|Low: HK$1,467 HKD|High: HK$8,988 HKD|Avg: HK$3,920 HKD|-3.8%
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
Retailer 18
November 4, 2026
Retailer 4HK$1,475 HKD
Retailer 5HK$1,648 HKD
Retailer 18HK$1,710 HKD
Retailer 8HK$1,899 HKD
Retailer 10HK$1,899 HKD
Retailer 17HK$2,471 HKD
Retailer 14HK$3,146 HKD
Retailer 11HK$3,280 HKD
Retailer 12HK$3,358 HKD
Retailer 3HK$3,688 HKD
Retailer 16HK$3,766 HKD
Retailer 13HK$4,449 HKD
Retailer 2HK$5,892 HKD
Retailer 9HK$6,104 HKD
Retailer 15HK$6,128 HKD
Retailer 6HK$6,292 HKD
Retailer 7HK$6,355 HKD
MOH LondonHK$8,539 HKD

43 data points across 18 retailers

20 retailersHK$1,648 HKD to HK$8,539 HKD

Retailer 1
-
HK$1,475 HKD
Price last confirmed 9 days ago
A
Retailer 2
-
HK$1,648 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,710 HKD
View
Price last confirmed 8 days ago
Retailer 4
-
HK$1,899 HKD
View
Price last confirmed 11 days ago
Retailer 5
-
HK$1,899 HKD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
HK$2,471 HKD
View
A
Retailer 7
-
HK$3,146 HKD
View
A
Retailer 8
-
HK$3,280 HKD
View
A
Retailer 9
-
HK$3,358 HKD
View
B+
Retailer 10
-
HK$3,688 HKD
View
B+
Retailer 11
-
HK$3,766 HKD
View
B+
Retailer 12
-
HK$4,449 HKD
View
B+
Retailer 13
-
HK$4,676 HKD
View
B
Retailer 14
-
HK$5,892 HKD
View
Retailer 15
-
HK$6,104 HKD
View
Price last confirmed 11 days ago
B
Retailer 16
-
HK$6,128 HKD
View
B
Retailer 17
-
HK$6,292 HKD
View
B
Retailer 18
-
HK$6,355 HKD
View
Retailer 19
-
HK$6,355 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG598394354 · Nov 1
HK$8,539 HKD
£857 GBP
View
19 more retailers have this diamond
Prices start from HK$1,648 HKDSave up to HK$6,892 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$1,648 HKD