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Round|Lab Grown|IGI

0.45ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG665428271

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665428271

Diamond specifications and retailer prices

From €83 EUR
$93 USD
As of October 30, 2026
Save €570 EUR (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €654 EUR at MOH London · As of October 25, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG665428271 or 665428271. Listed at 10 retailers as of October 25, 2026, with prices from €83 to €654, a €570 spread on the same certified stone. MOH London lists it at €654. 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
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665428271
Dimensions4.88 × 4.85 × 3.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.88 mm4.85 mm0.45 ctE / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG665428271
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

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 30
Current: €654 EUR|Low: €72 EUR|High: €680 EUR|Avg: €234 EUR|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 2€83 EUR
Retailer 7€95 EUR
Retailer 3€139 EUR
Retailer 4€184 EUR
Retailer 6€194 EUR
Retailer 10€197 EUR
Retailer 8€197 EUR
Retailer 9€250 EUR
Retailer 5€296 EUR
MOH London€654 EUR

17 data points across 10 retailers

10 retailers€83 EUR to €654 EUR

Retailer 1
-
€71 EUR
$79 USD
Price last confirmed 30 days ago
A
Retailer 2
-
€83 EUR
$93 USD
View
A
Retailer 3
-
€95 EUR
$106 USD
View
Retailer 4
-
€98 EUR
$109 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
€139 EUR
$155 USD
View
A
Retailer 6
-
€194 EUR
$217 USD
View
Retailer 7
-
€197 EUR
$220 USD
View
Price last confirmed 13 days ago
Retailer 8
-
€294 EUR
$328 USD
View
Price last confirmed 32 days ago
B+
Retailer 9
-
€296 EUR
$331 USD
View
Most Expensive
B
MOH London
LG665428271 · Oct 25
€654 EUR
£575 GBP
View
9 more retailers have this diamond
Prices start from €83 EURSave up to €570 EUR

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
€83 EUR