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Round|Lab Grown

0.45ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • 1181770

Diamond specifications and retailer prices

From €70 EUR
As of November 5, 2026
Save €224 EUR (76%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €294 EUR at B2C Jewels · As of November 4, 2026
View at B2C Jewels

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 SI1 clarity (slightly-included), with a top-tier cut grade. Listed at 4 retailers as of November 4, 2026, with prices from €70 to €294, a €224 spread on the same certified stone. B2C Jewels lists it at €294. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
Certificate1181770
Dimensions4.98 × 4.94 × 3.05 mm
L/W Ratio1.01
Top View
4.98 mm4.94 mm0.45 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Certificate1181770
Side View
Table 56.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.4%

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 5
Current: €294 EUR|Low: €70 EUR|High: €330 EUR|Avg: €213 EUR
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4€70 EUR
Retailer 3€82 EUR
Retailer 2€94 EUR
Retailer 7€172 EUR
Retailer 5€282 EUR
B2C Jewels€294 EUR
Retailer 6€330 EUR

4 data points across 7 retailers

4 retailers€70 EUR to €294 EUR

A
Cheapest Retailer
-
€70 EUR
B+
Retailer 2
-
€82 EUR
View
B+
Retailer 3
-
€94 EUR
View
Most Expensive
B
B2C Jewels
37385102 · Nov 4
€294 EUR
$330 USD
View
3 more retailers have this diamond
Prices start from €70 EURSave up to €224 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
€70 EUR