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0.45ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG455034330

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455034330

Diamond specifications and retailer prices

From HK$1,922 HKD
$245 USD
As of November 1, 2026
Save HK$7,643 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$9,565 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 0.45ct lab-grown round diamond

This 0.45ct lab-grown round sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455034330 or 455034330. Listed at 10 retailers as of November 1, 2026, with prices from HK$1,922 to HK$9,565, a HK$7,643 spread on the same certified stone. MOH London lists it at HK$9,565. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.45
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455034330
Dimensions4.90 × 4.94 × 3.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Blue Nuance
Top View
4.90 mm4.94 mm0.45 ctG / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG455034330
Side View
Table 59.0%Crown 36.2°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 61.0%

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$9,565 HKD|Low: HK$1,852 HKD|High: HK$9,685 HKD|Avg: HK$3,873 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5HK$1,922 HKD
Retailer 3HK$2,118 HKD
Retailer 8HK$2,236 HKD
Retailer 6HK$2,385 HKD
Retailer 9HK$3,421 HKD
Retailer 7HK$4,009 HKD
Retailer 2HK$4,524 HKD
Retailer 4HK$4,556 HKD
MOH LondonHK$9,565 HKD

42 data points across 9 retailers

10 retailersHK$1,922 HKD to HK$9,565 HKD

A
Cheapest Retailer
-
HK$1,922 HKD
$245 USD
A
Retailer 2
-
HK$2,118 HKD
$270 USD
View
A
Retailer 3
-
HK$2,236 HKD
$285 USD
View
Retailer 4
-
HK$2,385 HKD
$304 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
HK$2,385 HKD
$304 USD
View
B+
Retailer 6
-
HK$4,009 HKD
$511 USD
View
B
Retailer 7
-
HK$4,524 HKD
£454 GBP
View
B
Retailer 8
-
HK$4,556 HKD
€553 EUR
View
B
Retailer 9
-
HK$7,673 HKD
$978 USD
View
Most Expensive
B
MOH London
LG455034330 · Nov 1
HK$9,565 HKD
£960 GBP
View
9 more retailers have this diamond
Prices start from HK$1,922 HKDSave up to HK$7,643 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
0.45ct Round
HK$1,922 HKD