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Round|Lab Grown|IGI

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 $218 USD
As of October 29, 2026
Save $873 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,091 USD 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 $218 to $1,091, a $873 spread on the same certified stone. MOH London lists it at $1,091. 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
Color
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: $1,091 USD|Low: $210 USD|High: $1,097 USD|Avg: $494 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3$218 USD
Retailer 7$253 USD
Retailer 5$271 USD
Retailer 4$290 USD
Retailer 6$464 USD
Retailer 2$527 USD
Retailer 8$561 USD
Retailer 10$566 USD
Retailer 9$623 USD
MOH London$1,091 USD

15 data points across 10 retailers

9 retailers$218 USD to $1,091 USD

A
Cheapest Retailer
-
$218 USD
A
Retailer 2
-
$253 USD
View
A
Retailer 3
-
$271 USD
View
A
Retailer 4
-
$271 USD
View
B+
Retailer 5
-
$290 USD
View
B+
Retailer 6
-
$464 USD
View
B+
Retailer 7
-
$527 USD
€502 EUR
View
B
Retailer 8
-
$870 USD
View
Most Expensive
B
MOH London
LG455036285 · Oct 29
$1,091 USD
£859 GBP
View
8 more retailers have this diamond
Prices start from $218 USDSave up to $873 USD

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
$218 USD