Round|Lab Grown|IGI

5.10ct E SI1 Round Lab Grown Diamond

ID • E/SI1

Diamond specifications and retailer prices

From €597 EUR
$667 USD
As of October 29, 2026
Save €1,349 EUR (69%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,946 EUR at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 5.1ct lab-grown round diamond

This 5.1ct lab-grown round sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 4 retailers as of October 29, 2026, with prices from €597 to €1,946, a €1,349 spread on the same certified stone. NZ Jewellers lists it at €1,946. 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

5.10
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.08 × 11.14 × 6.77 mm
L/W Ratio1.01
Top View
11.08 mm11.14 mm5.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.9%

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: Oct 29
Current: €1,946 EUR|Low: €597 EUR|High: €3,324 EUR|Avg: €1,627 EUR|-4.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3€597 EUR
Retailer 2€649 EUR
Retailer 4€692 EUR
Retailer 6€1,849 EUR
NZ Jewellers€1,946 EUR
Retailer 5€3,324 EUR

5 data points across 6 retailers

4 retailers€597 EUR to €1,946 EUR

A
Cheapest Retailer
-
€597 EUR
$667 USD
A
Retailer 2
-
€649 EUR
$725 USD
View
A
Retailer 3
-
€692 EUR
$773 USD
View
Most Expensive
B
NZ Jewellers
bfaf9ebc-7ee2-4076-91a0-99d5dac9b0ac · Oct 31
€1,946 EUR
$2,174 USD
View
3 more retailers have this diamond
Prices start from €597 EURSave up to €1,349 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
5.10ct Round
€597 EUR