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0.45ct G SI2 Round Lab Grown Diamond

EX • G/SI2 • IGI LG455036285

Shape and cutting style on the report: Round brilliant

Certificate IGI LG455036285

Diamond specifications and retailer prices

From $387 NZD
$218 USD
As of October 29, 2026
Save $1,549 NZD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,936 NZD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG455036285 or 455036285. Listed at 9 retailers as of October 29, 2026, with prices from $387 to $1,936, a $1,549 spread on the same certified stone. MOH London lists it at $1,936. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG455036285
Dimensions4.99 × 5.03 × 2.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Blue Nuance
Top View
4.99 mm5.03 mm0.45 ctG / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG455036285
Side View
Table 60.0%Crown 33.4°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,936 NZD|Low: $373 NZD|High: $1,947 NZD|Avg: $876 NZD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$387 NZD
Retailer 7$449 NZD
Retailer 2$479 NZD
Retailer 5$481 NZD
Retailer 6$823 NZD
Retailer 3$935 NZD
Retailer 8$995 NZD
Retailer 10$1,005 NZD
Retailer 9$1,105 NZD
MOH London$1,936 NZD

16 data points across 10 retailers

9 retailers$387 NZD to $1,936 NZD

A
Cheapest Retailer
-
$387 NZD
$218 USD
A
Retailer 2
-
$449 NZD
$253 USD
View
A
Retailer 3
-
$479 NZD
$270 USD
View
A
Retailer 4
-
$481 NZD
$271 USD
View
A
Retailer 5
-
$481 NZD
$271 USD
View
B+
Retailer 6
-
$823 NZD
$464 USD
View
B+
Retailer 7
-
$935 NZD
€502 EUR
View
B
Retailer 8
-
$1,544 NZD
$870 USD
View
Most Expensive
B
MOH London
LG455036285 · Oct 29
$1,936 NZD
£859 GBP
View
8 more retailers have this diamond
Prices start from $387 NZDSave up to $1,549 NZD

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
$387 NZD