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Round|Lab Grown|IGI

1.23ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG818686333

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686333

Diamond specifications and retailer prices

From HK$1,601 HKD
$204 USD
As of November 3, 2026
Save HK$7,696 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$9,297 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818686333 or 818686333. Listed at 16 retailers as of November 1, 2026, with prices from HK$1,601 to HK$9,297, a HK$7,696 spread on the same certified stone. MOH London lists it at HK$9,297. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686333
Dimensions6.93 × 6.91 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.93 mm6.91 mm1.23 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686333
Side View
Table 56.0%Crown 33.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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$9,297 HKD|Low: HK$1,601 HKD|High: HK$9,406 HKD|Avg: HK$4,715 HKD|-1.1%
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
November 2, 2026
Retailer 9HK$1,601 HKD
Retailer 12HK$1,985 HKD
Retailer 4HK$3,327 HKD
Retailer 7HK$3,434 HKD
Retailer 13HK$3,444 HKD
Retailer 6HK$3,650 HKD
Retailer 11HK$4,119 HKD
Retailer 10HK$4,786 HKD
Retailer 8HK$4,860 HKD
Retailer 2HK$5,178 HKD
Retailer 5HK$6,812 HKD
Retailer 3HK$7,179 HKD
MOH LondonHK$9,297 HKD

26 data points across 13 retailers

16 retailersHK$1,601 HKD to HK$9,297 HKD

A
Cheapest Retailer
-
HK$1,601 HKD
$204 USD
A
Retailer 2
-
HK$1,860 HKD
$237 USD
View
Retailer 3
-
HK$1,985 HKD
$253 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
HK$1,985 HKD
$253 USD
View
A
Retailer 5
-
HK$3,327 HKD
$424 USD
View
A
Retailer 6
-
HK$3,434 HKD
ZAR 7,070 ZAR
View
A
Retailer 7
-
HK$3,444 HKD
$439 USD
View
B+
Retailer 8
-
HK$3,650 HKD
€443 EUR
View
B+
Retailer 9
-
HK$4,119 HKD
$525 USD
View
B+
Retailer 10
-
HK$4,786 HKD
$610 USD
View
Retailer 11
-
HK$4,860 HKD
A$953 AUD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
HK$5,178 HKD
$660 USD
View
B
Retailer 13
-
HK$6,394 HKD
$815 USD
View
B
Retailer 14
-
HK$6,812 HKD
$868 USD
View
B
Retailer 15
-
HK$7,328 HKD
$934 USD
View
Most Expensive
B
MOH London
LG818686333 · Nov 1
HK$9,297 HKD
£933 GBP
View
15 more retailers have this diamond
Prices start from HK$1,601 HKDSave up to HK$7,696 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$1,601 HKD