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0.42ct G SI1 Round Lab Grown Diamond

VG • G/SI1 • IGI LG455034095

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455034095

Diamond specifications and retailer prices

From HK$1,812 HKD
$231 USD
As of November 1, 2026
Save HK$7,195 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$9,007 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.42ct lab-grown round diamond

This 0.42ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG455034095 or 455034095. Listed at 10 retailers as of November 1, 2026, with prices from HK$1,812 to HK$9,007, a HK$7,195 spread on the same certified stone. MOH London lists it at HK$9,007. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.42
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455034095
Dimensions4.68 × 4.64 × 3.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
4.68 mm4.64 mm0.42 ctG / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG455034095
Side View
Table 57.5%Crown 36.6°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 65.4%

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 1
Current: HK$9,007 HKD|Low: HK$1,742 HKD|High: HK$9,117 HKD|Avg: HK$3,663 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5HK$1,812 HKD
Retailer 3HK$1,961 HKD
Retailer 8HK$2,103 HKD
Retailer 6HK$2,244 HKD
Retailer 9HK$3,217 HKD
Retailer 7HK$3,813 HKD
Retailer 2HK$4,190 HKD
Retailer 4HK$4,333 HKD
MOH LondonHK$9,007 HKD

41 data points across 9 retailers

10 retailersHK$1,812 HKD to HK$9,007 HKD

A
Cheapest Retailer
-
HK$1,812 HKD
$231 USD
A
Retailer 2
-
HK$1,961 HKD
$250 USD
View
B+
Retailer 3
-
HK$2,103 HKD
$268 USD
View
Retailer 4
-
HK$2,244 HKD
$286 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
HK$2,244 HKD
$286 USD
View
B
Retailer 6
-
HK$3,813 HKD
$486 USD
View
B
Retailer 7
-
HK$4,190 HKD
£421 GBP
View
B
Retailer 8
-
HK$4,333 HKD
€526 EUR
View
B
Retailer 9
-
HK$7,226 HKD
$921 USD
View
Most Expensive
B
MOH London
LG455034095 · Nov 1
HK$9,007 HKD
£904 GBP
View
9 more retailers have this diamond
Prices start from HK$1,812 HKDSave up to HK$7,195 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
0.42ct Round
HK$1,812 HKD