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Round|Lab Grown|IGI

0.66ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG514268286

Shape and cutting style on the report: Round brilliant

Certificate IGI LG514268286

Diamond specifications and retailer prices

From €178 EUR
$200 USD
As of November 1, 2026
Save €714 EUR (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €892 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.66ct lab-grown round diamond

This 0.66ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG514268286 or 514268286. Listed at 5 retailers as of November 1, 2026, with prices from €178 to €892, a €714 spread on the same certified stone. MOH London lists it at €892. 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

0.66
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514268286
Dimensions5.61 × 5.58 × 3.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.61 mm5.58 mm0.66 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514268286
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.2°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €892 EUR|Low: €178 EUR|High: €902 EUR|Avg: €387 EUR|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5€178 EUR
Retailer 2€218 EUR
Retailer 3€315 EUR
Retailer 4€377 EUR
MOH London€892 EUR

10 data points across 5 retailers

5 retailers€178 EUR to €892 EUR

A
Cheapest Retailer
-
€178 EUR
$200 USD
A
Retailer 2
-
€218 EUR
$245 USD
View
B+
Retailer 3
-
€315 EUR
$353 USD
View
B+
Retailer 4
-
€377 EUR
$423 USD
View
Most Expensive
B
MOH London
LG514268286 · Nov 1
€892 EUR
£788 GBP
View
4 more retailers have this diamond
Prices start from €178 EURSave up to €714 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
0.66ct Round
€178 EUR